1 files changed, 1 insertions, 0 deletions
diff --git a/diff.c b/diff.c
index 47c1973a50..89cd0b17da 100644
--- a/diff.c
+++ b/diff.c
@@ -29,6 +29,7 @@
 #include "string-list.h"
 #include "strvec.h"
 #include "graph.h"
+#include "oid-array.h"
 #include "packfile.h"
 #include "parse-options.h"
 #include "help.h"