diff --git a/tests/config.rs b/tests/config.rs
index 7aa1588..b47116d 100644
--- a/tests/config.rs
+++ b/tests/config.rs
@@ -16,7 +16,8 @@ use fixture::{rc, Fixture};
 fn fixture() -> Fixture {
     rc().append_fixture_trace(
         r#"
-        git init origin
+        # temporarily fixed to old name pass tests on macOS
+        git init origin --initial-branch master
         origin <<EOF
             git config user.name "UpstreamTest"
             git config user.email "upstream@test"