diff --git a/.github/workflows/docker-ci.yml b/.github/workflows/docker-ci.yml
index bf7a87f..e70949c 100644
--- a/.github/workflows/docker-ci.yml
+++ b/.github/workflows/docker-ci.yml
@@ -53,5 +53,4 @@ jobs:
           platforms: linux/amd64,linux/arm64,linux/386,linux/arm/v7
           push: true
           tags: ${{secrets.DOCKERHUB_USERNAME}}/dumbproxy:${{ steps.imgtag.outputs.value }}
-          build-args:
-            - 'GIT_DESC=${{steps.tagger.outputs.tag}}'
+          build-args: 'GIT_DESC=${{steps.tagger.outputs.tag}}'