diff --git a/.github/workflows/docker-crawlab.yml b/.github/workflows/docker-crawlab.yml
index 0da10dca..1c72fecd 100644
--- a/.github/workflows/docker-crawlab.yml
+++ b/.github/workflows/docker-crawlab.yml
@@ -213,7 +213,7 @@ jobs:
       crawlab:
         image: ghcr.io/${{ github.repository }}:${{ needs.setup.outputs.image_hash }}
         env:
-          CRAWLAB_NODE_MASTER: true
+          CRAWLAB_NODE_MASTER: Y
           CRAWLAB_MONGO_HOST: mongo 
           CRAWLAB_MONGO_PORT: 27017
         ports: