1 files changed, 5 insertions, 0 deletions
diff --git a/builtin-diff.c b/builtin-diff.c
index 8d7a5697f2..8f53f52dcb 100644
--- a/builtin-diff.c
+++ b/builtin-diff.c
@@ -4,6 +4,7 @@
  * Copyright (c) 2006 Junio C Hamano
  */
 #include "cache.h"
+#include "color.h"
 #include "commit.h"
 #include "blob.h"
 #include "tag.h"
@@ -229,6 +230,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
 
 	prefix = setup_git_directory_gently(&nongit);
 	git_config(git_diff_ui_config);
+
+	if (diff_use_color_default == -1)
+		diff_use_color_default = git_use_color_default;
+
 	init_revisions(&rev, prefix);
 	rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index;