1 files changed, 1 insertions, 0 deletions
diff --git a/merge.c b/merge.c
index 445b4f19aa..2c8b845684 100644
--- a/merge.c
+++ b/merge.c
@@ -1,6 +1,7 @@
 #include "cache.h"
 #include "diff.h"
 #include "diffcore.h"
+#include "hex.h"
 #include "lockfile.h"
 #include "commit.h"
 #include "run-command.h"