diff --git a/.github/workflows/buildimage.yml b/.github/workflows/buildimage.yml
index 5ad3c86..23bed85 100644
--- a/.github/workflows/buildimage.yml
+++ b/.github/workflows/buildimage.yml
@@ -2,7 +2,7 @@ name: buildx
 
 on:
   push:
-    branches: master
+    branches: mqtt
 
 jobs:
   buildx: