diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 8f24e64..86cb8f0 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -84,4 +84,6 @@ jobs:
           cache-to: type=gha,mode=max
           tags: ${{ steps.metadata.outputs.tags }}
           labels: ${{ steps.metadata.outputs.labels }}
-          build-args: PG_MAJOR=${{ steps.version.outputs.pg_major }},PGVECTORS_TAG=${{ matrix.pgvectorsVersion }}
+          build-args: 
+            PG_MAJOR=${{ steps.version.outputs.pg_major }}
+            PGVECTORS_TAG=${{ matrix.pgvectorsVersion }}