diff --git a/.github/workflows/linker-script.yml b/.github/workflows/linker-script.yml
index 0cef944a..44f1d8b4 100644
--- a/.github/workflows/linker-script.yml
+++ b/.github/workflows/linker-script.yml
@@ -1,6 +1,6 @@
 name: Enforce gba.ld consistency
 
-on: push
+on: [push, pull_request]
 
 jobs:
   build: