diff --git a/src/pkgmgr/actions/repository/create.py b/src/pkgmgr/actions/repository/create.py
index 6aeb601..5789b2f 100644
--- a/src/pkgmgr/actions/repository/create.py
+++ b/src/pkgmgr/actions/repository/create.py
@@ -111,7 +111,7 @@ def _build_default_primary_url(parts: RepoParts) -> str:
 
 
 def _write_default_mirrors(repo_dir: str, primary: str, name: str, preview: bool) -> None:
-    mirrors = {"origin": primary, "pypi": f"https://pypi.org/project/{name}/"}
+    mirrors = {primary, f"https://pypi.org/project/{name}/"}
     write_mirrors_file(repo_dir, mirrors, preview=preview)