diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 8699726..26ab1c6 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -38,4 +38,4 @@ jobs:
     - name: Test client
       run: |
         python syncplayServer.py &
-        python syncplayClient.py --no-gui -hostname=localhost
+        python syncplayClient.py --no-gui -a localhost