diff --git a/.github/workflows/create-image.yaml b/.github/workflows/create-image.yaml
index 66f72dd..a816716 100644
--- a/.github/workflows/create-image.yaml
+++ b/.github/workflows/create-image.yaml
@@ -20,7 +20,7 @@ jobs:
 
       - name: Build and Push Docker Image
         env:
-          IMAGE_NAME: ${{ format('ghcr.io/{0}', github.repository) }}
+          IMAGE_NAME: ${{ format('ghcr.io/{0}', toLower(github.repository)) }}
         run: |
           docker build . --tag "${IMAGE_NAME}:${{ github.ref_name }}"
           docker push "${IMAGE_NAME}:${{ github.ref_name }}"