diff --git a/.forgejo/workflows/build.yml b/.forgejo/workflows/build.yml
index 6429534..76e6c0f 100644
--- a/.forgejo/workflows/build.yml
+++ b/.forgejo/workflows/build.yml
@@ -32,7 +32,7 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           context: base/
           dockerfile: base/Dockerfile
-          build-args:
-            - PG_MAJOR_VERSION=${{ matrix.PG_MAJOR_VERSION }}
-            - DEB_RELEASE=${{ matrix.DEB_RELEASE }}
-            - FMT_DATE={{ date 'YYYY-MM-DD' }}
+          build-args: |
+            PG_MAJOR_VERSION=${{ matrix.PG_MAJOR_VERSION }}
+            DEB_RELEASE=${{ matrix.DEB_RELEASE }}
+            FMT_DATE={{ date 'YYYY-MM-DD' }}