diff --git a/.github/workflows/docker-image-main.yml b/.github/workflows/docker-image-main.yml
index eff1be4..9b22ce2 100644
--- a/.github/workflows/docker-image-main.yml
+++ b/.github/workflows/docker-image-main.yml
@@ -2,7 +2,7 @@ name: Docker Image Main
 
 on:
   push:
-    branches: ['main']
+    branches: main
     paths:
       - 'Dockerfile'
       - 'scripts/*'