diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index c083b2d..6cc85c2 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -27,4 +27,4 @@ jobs:
         run: prettier --check README.md
 
       - name: Check new plugin is registered correctly
-        run: bash test_plugin.sh --diff origin/master "${{ github.sha }}"
+        run: bash test_plugin.sh --diff origin/master ${{ github.sha }}