diff --git a/.github/workflows/enforcer.yaml b/.github/workflows/enforcer.yaml
index 048f81a..1fc567f 100644
--- a/.github/workflows/enforcer.yaml
+++ b/.github/workflows/enforcer.yaml
@@ -2,13 +2,15 @@ name: 'Check Branch'
 
 on:
   pull_request:
+    branches:
+      - base
 
 jobs:
   check_branch:
     runs-on: ubuntu-latest
     steps:
       - name: Check branch
-        if: github.base_ref == 'base' && github.head_ref != 'development'
+        if: github.head_ref != 'development'
         run: |
           echo "ERROR: You can only merge to base from the development branch."
           exit 1