diff --git a/builtin/commit.c b/builtin/commit.c
index 71d6741..ef5e622 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -4,7 +4,10 @@
  * Copyright (c) 2007 Kristian Høgsberg <krh@redhat.com>
  * Based on git-commit.sh by Junio C Hamano and Linus Torvalds
  */
+
 #define USE_THE_REPOSITORY_VARIABLE
+#define DISABLE_SIGN_COMPARE_WARNINGS
+
 #include "builtin.h"
 #include "advice.h"
 #include "config.h"