diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh
index a58f91035d..61e2be2903 100755
--- a/t/t5300-pack-object.sh
+++ b/t/t5300-pack-object.sh
@@ -465,7 +465,7 @@ test_with_bad_commit () {
 	must_pass_arg="$2" &&
 	(
 		cd strict &&
-		test_expect_fail git index-pack "$must_fail_arg" "test-$(cat pack-name).pack"
+		test_must_fail git index-pack "$must_fail_arg" "test-$(cat pack-name).pack" &&
 		git index-pack "$must_pass_arg" "test-$(cat pack-name).pack"
 	)
 }