diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index d98f9bed..60feecc1 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -33,4 +33,4 @@ jobs:
         with:
           context: .
           push: true
-          tags: ghcr.io/${{ env.REPO }}:${{ inputs.version }}
\ No newline at end of file
+          tags: ghcr.io/${{ env.REPO.lowercase_string }}:${{ inputs.version }}
\ No newline at end of file