diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index 7250e10..14db905 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -19,6 +19,11 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      # --- NEW STEP TO FIX THE ERROR ---
+      - name: Set repo name to lowercase
+        id: repo_name
+        run: echo "name=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
+
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -35,7 +40,8 @@ jobs:
         with:
           context: ./web-app
           push: true
-          tags: ghcr.io/${{ github.repository }}/web-app:${{ github.sha }}
+          # CHANGED: Uses the new lowercase repo name
+          tags: ghcr.io/${{ steps.repo_name.outputs.name }}/web-app:${{ github.sha }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
@@ -44,7 +50,8 @@ jobs:
         with:
           context: ./rust-engine
           push: true
-          tags: ghcr.io/${{ github.repository }}/rust-engine:${{ github.sha }}
+          # CHANGED: Uses the new lowercase repo name
+          tags: ghcr.io/${{ steps.repo_name.outputs.name }}/rust-engine:${{ github.sha }}
           cache-from: type=gha
           cache-to: type=gha,mode=max