diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2e39699..5bb1b42 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,5 +23,4 @@ jobs:
         with:
           push: true
           tags: "registry.rostlab.org/rostlab/tmvisdb:${{ github.ref }}, registry.rostlab.org/rostlab/tmvisdb:latest"
-          build-args:
-            - "GIT_HASH=${{ GITHUB_SHA }}"
+          build-args: "GIT_HASH=${{ GITHUB_SHA }}"