diff --git a/.github/workflows/on_push_clang_format.yml b/.github/workflows/on_push_clang_format.yml
index 33bed1be..688939a9 100644
--- a/.github/workflows/on_push_clang_format.yml
+++ b/.github/workflows/on_push_clang_format.yml
@@ -1,5 +1,5 @@
 name: Clang Format Checker
-on: [push]
+on: [push, pull_request]
 jobs:
   clang-format-checking:
     runs-on: ubuntu-latest