diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 6648f2daef..46a61b7cba 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -801,7 +801,7 @@ static void sha1_object(const void *data, struct object_entry *obj_entry,
 	if (startup_info->have_repository) {
 		read_lock();
 		collision_test_needed =
-			has_object_file_with_flags(oid, OBJECT_INFO_QUICK);
+			has_object_file_with_flags(oid, OBJECT_INFO_FOR_PREFETCH);
 		read_unlock();
 	}