diff --git a/.github/workflows/build-xserver.yml b/.github/workflows/build-xserver.yml
index b9b301dd9..d1d8d2bc1 100644
--- a/.github/workflows/build-xserver.yml
+++ b/.github/workflows/build-xserver.yml
@@ -7,6 +7,7 @@ env:
 
 on:
     push:
+    pull_request:
 
 jobs:
     xserver-build-ubuntu: