1 files changed, 1 insertions, 1 deletions
diff --git a/t/t3906-stash-submodule.sh b/t/t3906-stash-submodule.sh
index a52e53dd2d..0f7348ec21 100755
--- a/t/t3906-stash-submodule.sh
+++ b/t/t3906-stash-submodule.sh
@@ -36,7 +36,7 @@ setup_basic () {
 	git init main &&
 	(
 		cd main &&
-		git submodule add ../sub &&
+		git -c protocol.file.allow=always submodule add ../sub &&
 		test_commit main_file
 	)
 }