diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c690521..372c8e4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -3,7 +3,7 @@ on:
   push:
     branches: master
   pull_request:
-    branches: *
+    branches: '*'
   workflow_dispatch:
 
 jobs: