diff --git a/.github/workflows/build_push_preview.yml b/.github/workflows/build_push_preview.yml
index e0740cd22..1c8c67a51 100644
--- a/.github/workflows/build_push_preview.yml
+++ b/.github/workflows/build_push_preview.yml
@@ -3,7 +3,7 @@ name: Remote Dispatch Action Initiator
 on:
   push:
    branches: 
-    - 'master'
+    - 'preview'
  
 jobs:
   trigger_preview_build: