diff --git a/.github/workflows/run_test.yml b/.github/workflows/run_test.yml
index 45a466c..3fccbd8 100644
--- a/.github/workflows/run_test.yml
+++ b/.github/workflows/run_test.yml
@@ -47,5 +47,5 @@ jobs:
     - name: Run tests
       run: |
         echo "C:\Program Files\MKVToolNix" >> $GITHUB_PATH
-        echo "{Path}={C:\Program Files\MKVToolNix}" >> "$GITHUB_ENV"
+        echo "{PATH}={C:\Program Files\MKVToolNix}" >> "$GITHUB_ENV"
         pytest