diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh
index 7484cbede6..fa5de5b380 100755
--- a/t/t3903-stash.sh
+++ b/t/t3903-stash.sh
@@ -92,6 +92,7 @@ test_expect_success 'drop middle stash' '
 	git reset --hard &&
 	echo 8 > file &&
 	git stash &&
+	sleep 1 &&
 	echo 9 > file &&
 	git stash &&
 	git stash drop stash@{1} &&