diff --git a/.github/workflows/backend_ci.yml b/.github/workflows/backend_ci.yml
index f81b2e5f..5d59b5fd 100644
--- a/.github/workflows/backend_ci.yml
+++ b/.github/workflows/backend_ci.yml
@@ -27,6 +27,7 @@ env:
   # Dynamically generate image tags based on Git SHA and GitHub Run ID
   # This provides unique, traceable tags for each image build
   IMAGE_TAG: ${{ github.sha }}-${{ github.run_id }}
+  ACR_NAME: ${{ secrets.AZURE_CONTAINER_REGISTRY_NAME }}
 
 jobs:
   # Job 1: Run tests and linting for all backend services
@@ -129,8 +130,10 @@ jobs:
         creds: ${{ secrets.AZURE_CREDENTIALS }} # Needs to be set as a GitHub Secret (Service Principal JSON)
 
     # Login to Azure Container Registry (ACR)
-    - name: Login to Azure Container Registry
-      run: az acr login --name ${{ env.ACR_LOGIN_SERVER }}
+    - name: ACR login (AAD, short name)
+      run: |
+        echo "az acr login --name $ACR_NAME"
+        az acr login --name "$ACR_NAME"
 
     # Build and Push Docker image for Product Service
     - name: Build and Push Product Service Image