diff --git a/.github/workflows/quicktest.yml b/.github/workflows/quicktest.yml
index 11d1530..249cc0c 100644
--- a/.github/workflows/quicktest.yml
+++ b/.github/workflows/quicktest.yml
@@ -43,9 +43,9 @@ jobs:
         id: set_ini
         run: |
           if [ "${{ matrix.phpcs_version }}" != "dev-master" ]; then
-            echo 'PHP_INI=error_reporting=E_ALL & ~E_DEPRECATED, display_errors=On' >> $GITHUB_OUTPUT
+            echo 'PHP_INI=error_reporting=E_ALL & ~E_DEPRECATED, display_errors=On' >> "$GITHUB_OUTPUT"
           else
-            echo 'PHP_INI=error_reporting=-1, display_errors=On' >> $GITHUB_OUTPUT
+            echo 'PHP_INI=error_reporting=-1, display_errors=On' >> "$GITHUB_OUTPUT"
           fi
 
       - name: Install PHP
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c8d0ba0..67d61dd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -49,9 +49,9 @@ jobs:
         id: set_ini
         run: |
           if [[ "${{ matrix.phpcs_version }}" != "dev-master" ]]; then
-            echo 'PHP_INI=error_reporting=E_ALL & ~E_DEPRECATED, display_errors=On' >> $GITHUB_OUTPUT
+            echo 'PHP_INI=error_reporting=E_ALL & ~E_DEPRECATED, display_errors=On' >> "$GITHUB_OUTPUT"
           else
-            echo 'PHP_INI=error_reporting=-1, display_errors=On' >> $GITHUB_OUTPUT
+            echo 'PHP_INI=error_reporting=-1, display_errors=On' >> "$GITHUB_OUTPUT"
           fi
 
       - name: Install PHP
@@ -120,9 +120,9 @@ jobs:
         id: set_ini
         run: |
           if [ "${{ matrix.phpcs_version }}" != "dev-master" ]; then
-            echo 'PHP_INI=error_reporting=E_ALL & ~E_DEPRECATED, display_errors=On' >> $GITHUB_OUTPUT
+            echo 'PHP_INI=error_reporting=E_ALL & ~E_DEPRECATED, display_errors=On' >> "$GITHUB_OUTPUT"
           else
-            echo 'PHP_INI=error_reporting=-1, display_errors=On' >> $GITHUB_OUTPUT
+            echo 'PHP_INI=error_reporting=-1, display_errors=On' >> "$GITHUB_OUTPUT"
           fi
 
       - name: Install PHP