1 files changed, 2 insertions, 1 deletions
diff --git a/rerere.h b/rerere.h
index ce545d0c04..faf5a2308d 100644
--- a/rerere.h
+++ b/rerere.h
@@ -15,8 +15,9 @@ struct pathspec;
  */
 extern void *RERERE_RESOLVED;
 
+struct rerere_dir;
 struct rerere_id {
-	char hex[41];
+	struct rerere_dir *collection;
 };
 
 extern int setup_rerere(struct string_list *, int);