diff --git a/.github/workflows/publish-docker-image.yaml b/.github/workflows/publish-docker-image.yaml
index 3d772c8..ff31d51 100644
--- a/.github/workflows/publish-docker-image.yaml
+++ b/.github/workflows/publish-docker-image.yaml
@@ -37,5 +37,4 @@ jobs:
         with:
           context: .
           push: true
-          tags:
-            - gesiscss/repo2docker_base_image
+          tags: gesiscss/repo2docker_base_image