diff --git a/builtin/replace.c b/builtin/replace.c
index ab17668..905b175 100644
--- a/builtin/replace.c
+++ b/builtin/replace.c
@@ -9,6 +9,7 @@
  */
 
 #include "cache.h"
+#include "config.h"
 #include "builtin.h"
 #include "refs.h"
 #include "parse-options.h"