diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 1616371..ad114f3 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -67,8 +67,8 @@ jobs:
         with:
           context: .
           file: docker/application/Dockerfile
-          build-args:
-            - COMPONENT=${{ matrix.component }}
+          build-args: |
+            COMPONENT=${{ matrix.component }}
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}