diff --git a/.github/workflows/docker-moby-latest.yml b/.github/workflows/docker-moby-latest.yml
index 9dad7ec6de..4416b0e677 100644
--- a/.github/workflows/docker-moby-latest.yml
+++ b/.github/workflows/docker-moby-latest.yml
@@ -1,6 +1,7 @@
 name: Tests against Latest Docker Moby
 
 on:
+  pull_request:
   schedule:
     # nightly build, at 23:59 CEST
     - cron:  '59 23 * * *'