diff --git a/apply.c b/apply.c
index 9b7288b..7e40f53 100644
--- a/apply.c
+++ b/apply.c
@@ -22,6 +22,7 @@
 #include "xdiff-interface.h"
 #include "ll-merge.h"
 #include "lockfile.h"
+#include "object-name.h"
 #include "parse-options.h"
 #include "quote.h"
 #include "rerere.h"