diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index fa6c75d..71a3447 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -44,6 +44,6 @@ jobs:
           context: .
           push: true
           build-args: |
-            -f=Dockerfile.ubuntu
+            f=Dockerfile.ubuntu
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}