diff --git a/.github/workflows/image-build-and-publish.yml b/.github/workflows/image-build-and-publish.yml
index 2ec146c5..be3d1737 100644
--- a/.github/workflows/image-build-and-publish.yml
+++ b/.github/workflows/image-build-and-publish.yml
@@ -34,6 +34,9 @@ jobs:
       id-token: write
 
     steps:
+      - name: downcase REPO
+        run: |
+          echo "REPO=${GITHUB_REPOSITORY,,}" >>${GITHUB_ENV}
       - name: Checkout repository
         uses: actions/checkout@v4
 
@@ -74,7 +77,7 @@ jobs:
         run: |
           VERSION=$(cat VERSION)
           echo "VERSION=$VERSION" >> $GITHUB_ENV
-          TAGS=$(echo "ghcr.io/$GITHUB_REPOSITORY:$VERSION" , "ghcr.io/$GITHUB_REPOSITORY:latest")
+          TAGS=$(echo "ghcr.io/$REPO:$VERSION" , "ghcr.io/$REPO:latest")
           echo "TAGS=$TAGS" >> $GITHUB_ENV
           
       - name: Create tags (version only) if this is NOT a release
@@ -83,7 +86,7 @@ jobs:
         run: |
           VERSION="dev"
           echo "VERSION=$VERSION" >> $GITHUB_ENV
-          TAGS=$(echo "ghcr.io/$GITHUB_REPOSITORY:$VERSION")
+          TAGS=$(echo "ghcr.io/$REPO:$VERSION")
           echo "TAGS=$TAGS" >> $GITHUB_ENV
           
       - name: Show versions and tags