1 files changed, 1 insertions, 0 deletions

diff --git a/walker.c b/walker.c
index 99d0e0eae0..c046936378 100644
--- a/walker.c
+++ b/walker.c
@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "hex.h"
 #include "walker.h"
 #include "repository.h"
 #include "object-store.h"