diff --git a/configure.ac b/configure.ac
index 5d91217c..b3be436e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -144,8 +144,13 @@ fi
 
 AC_ARG_ENABLE(justify,
 AS_HELP_STRING([--disable-justify], [Disable the justify/unjustify functions]))
-if test "x$enable_justify" = xno; then
-    AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routines.])
+if test "x$enable_tiny" = xyes; then
+    if test "x$enable_justify" != xyes; then
+	enable_justify=no
+    fi
+fi
+if test "x$enable_justify" != xno; then
+    AC_DEFINE(ENABLE_JUSTIFY, 1, [Define this to have the routines for justifying.])
 fi
 
 AC_ARG_ENABLE(libmagic,
@@ -277,9 +282,6 @@ if test "x$enable_tiny" = xyes; then
     if test "x$enable_extra" != xyes; then
 	AC_DEFINE(DISABLE_EXTRA, 1, [Define this to disable extra stuff.])
     fi
-    if test "x$enable_justify" != xyes; then
-	AC_DEFINE(DISABLE_JUSTIFY, 1, [Define this to disable the justify routines.])
-    fi
     if test "x$enable_libmagic" != xyes; then
 	enable_libmagic=no
     fi
diff --git a/src/chars.c b/src/chars.c
index fa8457d0..945096c7 100644
--- a/src/chars.c
+++ b/src/chars.c
@@ -579,7 +579,7 @@ size_t mbstrnlen(const char *s, size_t maxlen)
 	return strnlen(s, maxlen);
 }
 
-#if !defined(NANO_TINY) || !defined(DISABLE_JUSTIFY)
+#if !defined(NANO_TINY) || defined(ENABLE_JUSTIFY)
 /* This function is equivalent to strchr() for multibyte strings. */
 char *mbstrchr(const char *s, const char *c)
 {
@@ -620,7 +620,7 @@ char *mbstrchr(const char *s, const char *c)
 #endif
 	return (char *) strchr(s, *c);
 }
-#endif /* !NANO_TINY || !DISABLE_JUSTIFY */
+#endif /* !NANO_TINY || ENABLE_JUSTIFY */
 
 #ifndef NANO_TINY
 /* This function is equivalent to strpbrk() for multibyte strings. */
@@ -686,7 +686,7 @@ char *mbrevstrpbrk(const char *head, const char *accept, const char *pointer)
 }
 #endif /* !NANO_TINY */
 
-#if defined(ENABLE_NANORC) && (!defined(NANO_TINY) || !defined(DISABLE_JUSTIFY))
+#if defined(ENABLE_NANORC) && (!defined(NANO_TINY) || defined(ENABLE_JUSTIFY))
 /* Return TRUE if the string s contains one or more blank characters,
  * and FALSE otherwise. */
 bool has_blank_chars(const char *s)
@@ -719,7 +719,7 @@ bool has_blank_mbchars(const char *s)
 #endif
 	return has_blank_chars(s);
 }
-#endif /* ENABLE_NANORC && (!NANO_TINY || !DISABLE_JUSTIFY) */
+#endif /* ENABLE_NANORC && (!NANO_TINY || ENABLE_JUSTIFY) */
 
 #ifdef ENABLE_UTF8
 /* Return TRUE if wc is valid Unicode, and FALSE otherwise. */
diff --git a/src/global.c b/src/global.c
index 527bd9e0..182cf567 100644
--- a/src/global.c
+++ b/src/global.c
@@ -135,7 +135,7 @@ int whitespace_len[2];
 	/* The length in bytes of these characters. */
 #endif
 
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 char *punct = NULL;
 	/* The closing punctuation that can end sentences. */
 char *brackets = NULL;
@@ -149,7 +149,7 @@ int quoterc;
 	/* Whether it was compiled successfully. */
 char *quoteerr = NULL;
 	/* The error message, if it didn't. */
-#endif /* !DISABLE_JUSTIFY */
+#endif
 
 char *word_chars = NULL;
 	/* Nonalphanumeric characters that also form words. */
@@ -493,7 +493,7 @@ void print_sclist(void)
 const char *exit_tag = N_("Exit");
 const char *close_tag = N_("Close");
 const char *uncut_tag = N_("Uncut Text");
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 const char *unjust_tag = N_("Unjustify");
 #endif
 
@@ -508,7 +508,7 @@ void shortcut_init(void)
     const char *nextline_tag = N_("Next Line");
     const char *prevpage_tag = N_("Prev Page");
     const char *nextpage_tag = N_("Next Page");
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     const char *justify_tag = N_("Justify");
     const char *fulljustify_tag = N_("FullJstify");
 #endif
@@ -578,7 +578,7 @@ void shortcut_init(void)
     const char *end_gist = N_("Go to end of current line");
     const char *prevblock_gist = N_("Go to previous block of text");
     const char *nextblock_gist = N_("Go to next block of text");
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     const char *parabegin_gist =
 	N_("Go to beginning of paragraph; then of previous paragraph");
     const char *paraend_gist =
@@ -611,7 +611,7 @@ void shortcut_init(void)
     const char *cuttilleof_gist =
 	N_("Cut from the cursor position to the end of the file");
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     const char *justify_gist = N_("Justify the current paragraph");
     const char *fulljustify_gist = N_("Justify the entire file");
 #endif
@@ -708,7 +708,7 @@ void shortcut_init(void)
     add_to_funcs(do_writeout_void, MMAIN,
 	N_("Write Out"), WITHORSANS(writeout_gist), TOGETHER, NOVIEW);
 
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     if (!ISSET(RESTRICTED)) {
 #else
     /* If we can't replace Insert with Justify, show Insert anyway, to
@@ -725,7 +725,7 @@ void shortcut_init(void)
 		NOVIEW);
 #endif
     } else {
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	add_to_funcs(do_justify_void, MMAIN,
 		justify_tag, WITHORSANS(justify_gist), BLANKAFTER, NOVIEW);
 #endif
@@ -770,7 +770,7 @@ void shortcut_init(void)
     uncutfunc = tailfunc;
 
     if (!ISSET(RESTRICTED)) {
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	add_to_funcs(do_justify_void, MMAIN,
 		justify_tag, WITHORSANS(justify_gist), TOGETHER, NOVIEW);
 #endif
@@ -792,8 +792,8 @@ void shortcut_init(void)
     add_to_funcs(do_cursorpos_void, MMAIN,
 	N_("Cur Pos"), WITHORSANS(cursorpos_gist), TOGETHER, VIEW);
 
-#if (!defined(DISABLE_JUSTIFY) && (!defined(DISABLE_SPELLER) || !defined(DISABLE_COLOR)) || \
-	defined(DISABLE_JUSTIFY) && defined(DISABLE_SPELLER) && defined(DISABLE_COLOR))
+#if (defined(ENABLE_JUSTIFY) && (!defined(DISABLE_SPELLER) || !defined(DISABLE_COLOR)) || \
+	!defined(ENABLE_JUSTIFY) && defined(DISABLE_SPELLER) && defined(DISABLE_COLOR))
     /* Conditionally placing this one here or further on, to keep the
      * help items nicely paired in most conditions. */
     add_to_funcs(do_gotolinecolumn_void, MMAIN,
@@ -825,7 +825,7 @@ void shortcut_init(void)
     add_to_funcs(flip_replace, MREPLACE,
 	N_("No Replace"), WITHORSANS(whereis_gist), BLANKAFTER, VIEW);
 
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     add_to_funcs(do_full_justify, MWHEREIS,
 	fulljustify_tag, WITHORSANS(fulljustify_gist), TOGETHER, NOVIEW);
 
@@ -882,7 +882,7 @@ void shortcut_init(void)
 	N_("Prev Block"), WITHORSANS(prevblock_gist), TOGETHER, VIEW);
     add_to_funcs(do_next_block, MMAIN,
 	N_("Next Block"), WITHORSANS(nextblock_gist), TOGETHER, VIEW);
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     add_to_funcs(do_para_begin_void, MMAIN|MWHEREIS,
 	N_("Beg of Par"), WITHORSANS(parabegin_gist), TOGETHER, VIEW);
     add_to_funcs(do_para_end_void, MMAIN|MWHEREIS,
@@ -906,8 +906,8 @@ void shortcut_init(void)
 	N_("Next File"), WITHORSANS(nextfile_gist), BLANKAFTER, VIEW);
 #endif
 
-#if (defined(DISABLE_JUSTIFY) && (!defined(DISABLE_SPELLER) || !defined(DISABLE_COLOR)) || \
-	!defined(DISABLE_JUSTIFY) && defined(DISABLE_SPELLER) && defined(DISABLE_COLOR))
+#if (!defined(ENABLE_JUSTIFY) && (!defined(DISABLE_SPELLER) || !defined(DISABLE_COLOR)) || \
+	defined(ENABLE_JUSTIFY) && defined(DISABLE_SPELLER) && defined(DISABLE_COLOR))
     add_to_funcs(do_gotolinecolumn_void, MMAIN,
 	gotoline_tag, WITHORSANS(gotoline_gist), BLANKAFTER, VIEW);
 #endif
@@ -944,7 +944,7 @@ void shortcut_init(void)
 	N_("CutTillEnd"), WITHORSANS(cuttilleof_gist), BLANKAFTER, NOVIEW);
 #endif
 
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     add_to_funcs(do_full_justify, MMAIN,
 	fulljustify_tag, WITHORSANS(fulljustify_gist), TOGETHER, NOVIEW);
 #endif
@@ -999,7 +999,7 @@ void shortcut_init(void)
 	N_("NextHstory"), WITHORSANS(nexthistory_gist), BLANKAFTER, VIEW);
 #endif
 
-#ifdef DISABLE_JUSTIFY
+#ifndef ENABLE_JUSTIFY
     add_to_funcs(do_gotolinecolumn_void, MWHEREIS,
 	gotoline_tag, WITHORSANS(gotoline_gist), BLANKAFTER, VIEW);
 #endif
@@ -1102,7 +1102,7 @@ void shortcut_init(void)
     add_to_sclist(MMOST, "F9", 0, do_cut_text_void, 0);
     add_to_sclist(MMOST, "^U", 0, do_uncut_text, 0);
     add_to_sclist(MMOST, "F10", 0, do_uncut_text, 0);
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     add_to_sclist(MMAIN, "^J", 0, do_justify_void, 0);
     add_to_sclist(MMAIN, "F4", 0, do_justify_void, 0);
 #endif
@@ -1204,7 +1204,7 @@ void shortcut_init(void)
     }
     add_to_sclist(MMAIN, "M-7", 0, do_prev_block, 0);
     add_to_sclist(MMAIN, "M-8", 0, do_next_block, 0);
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     add_to_sclist(MMAIN, "M-(", 0, do_para_begin_void, 0);
     add_to_sclist(MMAIN, "M-9", 0, do_para_begin_void, 0);
     add_to_sclist(MMAIN, "M-)", 0, do_para_end_void, 0);
@@ -1227,7 +1227,7 @@ void shortcut_init(void)
     add_to_sclist(MMAIN, "M-T", 0, do_cut_till_eof, 0);
     add_to_sclist(MMAIN, "M-D", 0, do_wordlinechar_count, 0);
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     add_to_sclist(MMAIN|MWHEREIS, "M-J", 0, do_full_justify, 0);
 #endif
     add_to_sclist(MMAIN|MHELP, "^L", 0, total_refresh, 0);
@@ -1277,7 +1277,7 @@ void shortcut_init(void)
     add_to_sclist(MWHEREIS|MREPLACE, "^R", 0, flip_replace, 0);
     add_to_sclist(MWHEREIS|MREPLACE|MREPLACEWITH|MGOTOLINE|MFINDINHELP, "^Y", 0, do_first_line, 0);
     add_to_sclist(MWHEREIS|MREPLACE|MREPLACEWITH|MGOTOLINE|MFINDINHELP, "^V", 0, do_last_line, 0);
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     add_to_sclist(MWHEREIS|MREPLACE|MREPLACEWITH, "^W", 0, do_para_begin_void, 0);
     add_to_sclist(MWHEREIS|MREPLACE|MREPLACEWITH, "^O", 0, do_para_end_void, 0);
 #endif
@@ -1516,7 +1516,7 @@ sc *strtosc(const char *input)
 	s->scfunc = do_cursorpos_void;
     else if (!strcasecmp(input, "gotoline"))
 	s->scfunc = do_gotolinecolumn_void;
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     else if (!strcasecmp(input, "justify"))
 	s->scfunc = do_justify_void;
     else if (!strcasecmp(input, "fulljustify"))
@@ -1777,7 +1777,7 @@ void thanks_for_all_the_fish(void)
     delwin(bottomwin);
 
     free(word_chars);
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     free(quotestr);
     regfree(&quotereg);
     free(quoteerr);
diff --git a/src/move.c b/src/move.c
index d9f4871e..191aa6ce 100644
--- a/src/move.c
+++ b/src/move.c
@@ -169,7 +169,7 @@ void do_page_down(void)
     refresh_needed = TRUE;
 }
 
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 /* Move to the beginning of the last beginning-of-paragraph line before the
  * current line.  If update_screen is TRUE, update the screen afterwards. */
 void do_para_begin(bool update_screen)
@@ -229,7 +229,7 @@ void do_para_end_void(void)
 {
     do_para_end(TRUE);
 }
-#endif /* !DISABLE_JUSTIFY */
+#endif /* ENABLE_JUSTIFY */
 
 /* Move to the preceding block of text. */
 void do_prev_block(void)
diff --git a/src/nano.c b/src/nano.c
index 212a91be..ac6e623b 100644
--- a/src/nano.c
+++ b/src/nano.c
@@ -830,7 +830,7 @@ void usage(void)
 	print_opt("-P", "--positionlog",
 		N_("Log & read location of cursor position"));
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     print_opt(_("-Q <str>"), _("--quotestr=<str>"), N_("Quoting string"));
 #endif
     if (!ISSET(RESTRICTED))
@@ -942,7 +942,7 @@ void version(void)
 #ifdef ENABLE_HISTORIES
     printf(" --enable-histories");
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     printf(" --enable-justify");
 #endif
 #ifdef HAVE_LIBMAGIC
@@ -991,7 +991,7 @@ void version(void)
 #ifndef ENABLE_HISTORIES
     printf(" --disable-histories");
 #endif
-#ifdef DISABLE_JUSTIFY
+#ifndef ENABLE_JUSTIFY
     printf(" --disable-justify");
 #endif
 #ifndef HAVE_LIBMAGIC
@@ -1917,7 +1917,7 @@ int main(int argc, char **argv)
 	{"rebindkeypad", 0, NULL, 'K'},
 	{"nonewlines", 0, NULL, 'L'},
 	{"morespace", 0, NULL, 'O'},
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	{"quotestr", 1, NULL, 'Q'},
 #endif
 	{"restricted", 0, NULL, 'R'},
@@ -2088,7 +2088,7 @@ int main(int argc, char **argv)
 		SET(POS_HISTORY);
 		break;
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	    case 'Q':
 		quotestr = mallocstrcpy(quotestr, optarg);
 		break;
@@ -2262,7 +2262,7 @@ int main(int argc, char **argv)
 	char *backup_dir_cpy = backup_dir;
 	char *word_chars_cpy = word_chars;
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	char *quotestr_cpy = quotestr;
 #endif
 #ifndef DISABLE_SPELLER
@@ -2281,7 +2281,7 @@ int main(int argc, char **argv)
 	backup_dir = NULL;
 	word_chars = NULL;
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	quotestr = NULL;
 #endif
 #ifndef DISABLE_SPELLER
@@ -2316,7 +2316,7 @@ int main(int argc, char **argv)
 	    word_chars = word_chars_cpy;
 	}
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	if (quotestr_cpy != NULL) {
 	    free(quotestr);
 	    quotestr = quotestr_cpy;
@@ -2390,7 +2390,7 @@ int main(int argc, char **argv)
 	init_operating_dir();
 #endif
 
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     /* If punct wasn't specified, set its default value. */
     if (punct == NULL)
 	punct = mallocstrcpy(NULL, "!.?");
@@ -2414,7 +2414,7 @@ int main(int argc, char **argv)
 	quoteerr = charalloc(size);
 	regerror(quoterc, &quotereg, quoteerr, size);
     }
-#endif /* !DISABLE_JUSTIFY */
+#endif /* ENABLE_JUSTIFY */
 
 #ifndef DISABLE_SPELLER
     /* If we don't have an alternative spell checker after reading the
diff --git a/src/nano.h b/src/nano.h
index 4d413d4b..59bf933c 100644
--- a/src/nano.h
+++ b/src/nano.h
@@ -128,7 +128,7 @@
 #undef ENABLE_MOUSE
 #endif
 
-#if !defined(ENABLE_WRAPPING) && defined(DISABLE_JUSTIFY)
+#if !defined(ENABLE_WRAPPING) && !defined(ENABLE_JUSTIFY)
 #define DISABLE_WRAPJUSTIFY 1
 #endif
 
diff --git a/src/proto.h b/src/proto.h
index 640830a9..8b8d4aea 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -116,7 +116,7 @@ extern int whitespace_len[2];
 extern const char *exit_tag;
 extern const char *close_tag;
 extern const char *uncut_tag;
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 extern const char *unjust_tag;
 extern char *punct;
 extern char *brackets;
@@ -124,7 +124,7 @@ extern char *quotestr;
 extern regex_t quotereg;
 extern int quoterc;
 extern char *quoteerr;
-#endif /* !DISABLE_JUSTIFY */
+#endif /* !ENABLE_JUSTIFY */
 
 extern char *word_chars;
 
@@ -226,7 +226,7 @@ char *mbrevstrcasestr(const char *haystack, const char *needle,
 	const char *index);
 size_t mbstrlen(const char *s);
 size_t mbstrnlen(const char *s, size_t maxlen);
-#if !defined(NANO_TINY) || !defined(DISABLE_JUSTIFY)
+#if !defined(NANO_TINY) || defined(ENABLE_JUSTIFY)
 char *mbstrchr(const char *s, const char *c);
 #endif
 #ifndef NANO_TINY
@@ -234,7 +234,7 @@ char *mbstrpbrk(const char *s, const char *accept);
 char *revstrpbrk(const char *head, const char *accept, const char *index);
 char *mbrevstrpbrk(const char *head, const char *accept, const char *index);
 #endif
-#if defined(ENABLE_NANORC) && (!defined(NANO_TINY) || !defined(DISABLE_JUSTIFY))
+#if defined(ENABLE_NANORC) && (!defined(NANO_TINY) || defined(ENABLE_JUSTIFY))
 bool has_blank_mbchars(const char *s);
 #endif
 #ifdef ENABLE_UTF8
@@ -378,7 +378,7 @@ void do_first_line(void);
 void do_last_line(void);
 void do_page_up(void);
 void do_page_down(void);
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 void do_para_begin(bool update_screen);
 void do_para_end(bool update_screen);
 void do_para_begin_void(void);
@@ -554,10 +554,10 @@ bool do_wrap(filestruct *line);
 #if defined(ENABLE_HELP) || !defined(DISABLE_WRAPJUSTIFY)
 ssize_t break_line(const char *line, ssize_t goal, bool snap_at_nl);
 #endif
-#if !defined(NANO_TINY) || !defined(DISABLE_JUSTIFY)
+#if !defined(NANO_TINY) || defined(ENABLE_JUSTIFY)
 size_t indent_length(const char *line);
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 void justify_format(filestruct *paragraph, size_t skip);
 bool begpar(const filestruct *const foo);
 bool inpar(const filestruct *const foo);
diff --git a/src/rcfile.c b/src/rcfile.c
index 0c9b8ab5..e57dad9c 100644
--- a/src/rcfile.c
+++ b/src/rcfile.c
@@ -39,7 +39,7 @@ static const rcoption rcopts[] = {
 #ifdef ENABLE_LINENUMBERS
     {"linenumbers", LINE_NUMBERS},
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     {"brackets", 0},
 #endif
     {"const", CONSTANT_SHOW},  /* deprecated form, remove in 2018 */
@@ -71,7 +71,7 @@ static const rcoption rcopts[] = {
     {"positionlog", POS_HISTORY},
 #endif
     {"preserve", PRESERVE},
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
     {"punct", 0},
     {"quotestr", 0},
 #endif
@@ -1138,7 +1138,7 @@ void parse_rcfile(FILE *rcstream, bool syntax_only)
 	    }
 	} else
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 	if (strcasecmp(rcopts[i].name, "punct") == 0) {
 	    punct = option;
 	    if (has_blank_mbchars(punct)) {
diff --git a/src/text.c b/src/text.c
index d28b094e..891b5710 100644
--- a/src/text.c
+++ b/src/text.c
@@ -39,7 +39,7 @@ static pid_t pid = -1;
 static bool prepend_wrap = FALSE;
 	/* Should we prepend wrapped text to the next line? */
 #endif
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 static filestruct *jusbuffer = NULL;
 	/* The buffer where we store unjustified text. */
 static filestruct *jusbottom = NULL;
@@ -1742,7 +1742,7 @@ ssize_t break_line(const char *line, ssize_t goal, bool snap_at_nl)
 }
 #endif /* ENABLE_HELP || !DISABLE_WRAPJUSTIFY */
 
-#if !defined(NANO_TINY) || !defined(DISABLE_JUSTIFY)
+#if !defined(NANO_TINY) || defined(ENABLE_JUSTIFY)
 /* The "indentation" of a line is the whitespace between the quote part
  * and the non-whitespace of the line. */
 size_t indent_length(const char *line)
@@ -1763,9 +1763,9 @@ size_t indent_length(const char *line)
 
     return len;
 }
-#endif /* !NANO_TINY || !DISABLE_JUSTIFY */
+#endif /* !NANO_TINY || ENABLE_JUSTIFY */
 
-#ifndef DISABLE_JUSTIFY
+#ifdef ENABLE_JUSTIFY
 /* justify_format() replaces blanks with spaces and multiple spaces by 1
  * (except it maintains up to 2 after a character in punct optionally
  * followed by a character in brackets, and removes all from the end).
@@ -2556,7 +2556,7 @@ void do_full_justify(void)
 {
     do_justify(TRUE);
 }
-#endif /* !DISABLE_JUSTIFY */
+#endif /* ENABLE_JUSTIFY */
 
 #ifndef DISABLE_SPELLER
 /* A word is misspelled in the file.  Let the user replace it.  We