1 files changed, 1 insertions, 0 deletions

diff --git a/diff.h b/diff.h
index 78b4091dd5..d1bc9145ac 100644
--- a/diff.h
+++ b/diff.h
@@ -5,6 +5,7 @@
 #define DIFF_H
 
 #include "tree-walk.h"
+#include "pathspec.h"
 
 struct rev_info;
 struct diff_options;