diff --git a/.github/workflows/main-ci.yml b/.github/workflows/main-ci.yml
index b86e231..6343f5f 100644
--- a/.github/workflows/main-ci.yml
+++ b/.github/workflows/main-ci.yml
@@ -3,6 +3,7 @@ name: Main Build
 on:
   workflow_dispatch:
   pull_request:
+    branches: [ main ]
   push:
     branches: [ main ]
 
@@ -17,7 +18,6 @@ jobs:
       uses: actions/checkout@v3
       with:
         path: Clima
-        ref: main
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v2