diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 434e165e37..25d32a131e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -99,7 +99,7 @@ jobs:
           # Set the "short_open_tag" ini to make sure specific conditions are tested.
           # Also turn on error_reporting to ensure all notices are shown.
           if [[ ${{ matrix.custom_ini }} == true ]]; then
-            echo 'PHP_INI=phar.readonly=Off, error_reporting=-1, display_errors=On, date.timezone=Australia/Sydney, short_open_tag=On' >> $GITHUB_OUTPUT
+            echo 'PHP_INI=error_reporting=-1, display_errors=On, date.timezone=Australia/Sydney, short_open_tag=On' >> $GITHUB_OUTPUT
           else
             echo 'PHP_INI=error_reporting=-1, display_errors=On' >> $GITHUB_OUTPUT
           fi