diff --git a/nw/GNUmakefile b/nw/GNUmakefile
index 0279229..bce611c 100644
--- a/nw/GNUmakefile
+++ b/nw/GNUmakefile
@@ -150,7 +150,7 @@ AR	= $(CROSSPREFIX)ar
 ARFLAGS	= -cq
 LIBEXT	= a
 RANLIB	= $(CROSSPREFIX)ranlib
-CFLAGS  += -m32
+CFLAGS	+= -m32
 CFLAGS	+= -fno-builtin -fpcc-struct-return
 CFLAGS	+= -fno-strict-aliasing
 CFLAGS	+= -Wall # -pedantic