diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c74d195..eee2497 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ on:
 env:
   QUARKUS_CONTAINER_IMAGE_USERNAME: ${{ secrets.DOCKER_HUB_LOGIN }}
   QUARKUS_CONTAINER_IMAGE_PASSWORD: ${{ secrets.DOCKER_HUB_PWD }}
-  QUARKUS_CONTAINER_IMAGE_TAG: $GITHUB_REF_NAME
+  QUARKUS_CONTAINER_IMAGE_TAG: ${GITHUB_REF_NAME}
 
 jobs:
   build: