diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 5f562fc..ac675eb 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -4,9 +4,9 @@ on:
   push:
     branches:
       - master
-    pull_request:
-      branches:
-        - master
+  pull_request:
+    branches:
+      - master
 
 jobs:
   check: