1 files changed, 1 insertions, 0 deletions
diff --git a/diff.c b/diff.c
index a74cc08488..3d3e553a98 100644
--- a/diff.c
+++ b/diff.c
@@ -21,6 +21,7 @@
 #include "string-list.h"
 #include "argv-array.h"
 #include "graph.h"
+#include "packfile.h"
 
 #ifdef NO_FAST_WORKING_DIRECTORY
 #define FAST_WORKING_DIRECTORY 0