diff --git a/.github/workflows/check-formatting.yml b/.github/workflows/check-formatting.yml
index acd0a028..3c04502b 100644
--- a/.github/workflows/check-formatting.yml
+++ b/.github/workflows/check-formatting.yml
@@ -1,6 +1,6 @@
 name: Check formatting
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build: