1 files changed, 2 insertions, 1 deletions
diff --git a/cache.h b/cache.h
index 5e3fc72fd4..f9b13ecb3f 100644
--- a/cache.h
+++ b/cache.h
@@ -4,6 +4,7 @@
 #include "git-compat-util.h"
 #include "strbuf.h"
 #include "hash.h"
+#include "hashmap.h"
 #include "advice.h"
 #include "gettext.h"
 #include "convert.h"
@@ -278,7 +279,7 @@ struct index_state {
 	unsigned name_hash_initialized : 1,
 		 initialized : 1;
 	struct hash_table name_hash;
-	struct hash_table dir_hash;
+	struct hashmap dir_hash;
 };
 
 extern struct index_state the_index;