diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 683b291c..f9d6e848 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -71,8 +71,7 @@ jobs:
           platforms: ${{ env.ARCHITECTURES }}
           push: true
           file: Dockerfile
-          buildArgs:
-            - GITHUB_SHA: ${{ env.GITHUB_SHA }}
+          buildArgs: GITHUB_SHA=${{ env.GITHUB_SHA }}
           provenance: false
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}