diff --git a/doc/man/date-of-man-include.am b/doc/man/date-of-man-include.am
index 6bc16207c..c6b1e692c 100644
--- a/doc/man/date-of-man-include.am
+++ b/doc/man/date-of-man-include.am
@@ -1,9 +1,10 @@
 SED_PARAMETERS = \
 	-e "s/%DATE_OF_MAN_PAGE%/$${MAN_DATE}/g" \
 	-e "s/%MAN_VERSION%/@MAN_VERSION@/g" \
-	-e "s{%prefix%{@prefix@{g" \
 	-e "s{%sysconfdir%{@sysconfdir@{g" \
-	-e "s{%libexecdir%{@libexecdir@{g"
+	-e "s{%libexecdir%{@libexecdir@{g" \
+	-e "s{%pkglibexecdir%{$(libexecdir)/@PACKAGE@{g" \
+	-e "s{%pkgdatadir%{$(datadir)/@PACKAGE@{g"
 
 MAN_DATE_CMD = \
 	LC_ALL=$(DATE_LANG) @PERL_FOR_BUILD@ -CS -MPOSIX -e '\