diff --git a/lib/des/Makefile.in b/lib/des/Makefile.in
index efccc9469..a712cbc99 100644
--- a/lib/des/Makefile.in
+++ b/lib/des/Makefile.in
@@ -74,8 +74,8 @@ COM = $(CC) -c $(CPPFLAGS) $(DEFS) -I../../include -I$(srcdir) $(PICFLAGS)
 # Compile this file without debug if using gcc
 des_enc.o: des_enc.c
 	@if test "$(CC)" = gcc; then\
-	  echo "$(COM) -fomit-frame-pointer -O3 $(srcdir)/des_enc.c"; \
-	  $(COM) -fomit-frame-pointer -O3 $(srcdir)/des_enc.c; \
+	  echo "$(COM) $(CFLAGS) -fomit-frame-pointer -O3 $(srcdir)/des_enc.c"; \
+	  $(COM) $(CFLAGS) -fomit-frame-pointer -O3 $(srcdir)/des_enc.c; \
 	else \
 	  echo "$(COM) $(CFLAGS) $(srcdir)/des_enc.c"; \
 	  $(COM) $(CFLAGS) $(srcdir)/des_enc.c; \