diff --git a/.github/workflows/pr-build-check.yml b/.github/workflows/pr-build-check.yml
index d3245c9..ef05b00 100644
--- a/.github/workflows/pr-build-check.yml
+++ b/.github/workflows/pr-build-check.yml
@@ -3,7 +3,7 @@ name: PR Build Check
 on:
   pull_request:
     branches:
-      - main
+      - master
 
 jobs:
   build: