1 files changed, 1 insertions, 0 deletions

diff --git a/grep.c b/grep.c
index 06c4c24926..1fca83be86 100644
--- a/grep.c
+++ b/grep.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "config.h"
 #include "grep.h"
 #include "userdiff.h"
 #include "xdiff-interface.h"