diff --git a/.github/workflows/github-image.yml b/.github/workflows/github-image.yml
index b9bd538..5e04e6f 100644
--- a/.github/workflows/github-image.yml
+++ b/.github/workflows/github-image.yml
@@ -16,7 +16,7 @@ on:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: ${{ github.repository | downcase }}
 
 jobs:
   build-and-push-image: