diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 24e4558c..323cc68d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -152,7 +152,7 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           images: jaedb/iris
-          tags: ${{ GITHUB_REF_NAME }}
+          tags: $GITHUB_REF_NAME
 
       - name: Login to DockerHub
         uses: docker/login-action@v1