diff --git a/src/poetry_plugin_pypi_proxy/plugin.py b/src/poetry_plugin_pypi_proxy/plugin.py
index 016a87c..69f9810 100644
--- a/src/poetry_plugin_pypi_proxy/plugin.py
+++ b/src/poetry_plugin_pypi_proxy/plugin.py
@@ -109,7 +109,7 @@ def activate(self, poetry: Poetry, io: IO) -> None:
             LegacyProxyRepository(
                 name=proxy_id, url=f"{proxy_url}/simple/", config=poetry.config
             ),
-            priority=Priority.DEFAULT,
+            priority=Priority.PRIMARY,
         )
 
         # If this is a publish command to Pypi, we'll silenly redirect to the proxy