1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 92211b0..a84614a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,3 @@
 fref: fref.lex
 	lex fref.lex
-	cc -O2 -o fref lex.yy.c -lfl
+	cc -std=c89 -O2 -o fref lex.yy.c -lfl