diff --git a/.github/workflows/phpunit.yml b/.github/workflows/phpunit.yml
index 3aa30442e..ccd28d462 100644
--- a/.github/workflows/phpunit.yml
+++ b/.github/workflows/phpunit.yml
@@ -210,8 +210,9 @@ jobs:
       matrix:
         php-versions: ['7.4']
         databases: ['oci']
+        server-versions: ["stable23"]
 
-    name: php${{ matrix.php-versions }}-${{ matrix.databases }}
+    name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}
 
     services:
       oracle:
@@ -224,7 +225,7 @@ jobs:
         uses: actions/checkout@v2
         with:
           repository: nextcloud/server
-          ref: ${{ env.GITHUB_BASE_REF }}
+          ref: ${{ matrix.server-versions }}
 
       - name: Checkout submodules
         shell: bash