diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 36797f3..2365349 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -67,4 +67,4 @@ jobs:
         labels: ${{ steps.meta.outputs.labels }}
         build-args: | 
           VERSION=${{ fromJSON(steps.meta.outputs.json).labels['org.opencontainers.image.version'] }}
-          BASE={{ matrix.suffix }}
+          BASE=${{ matrix.suffix }}