diff --git a/.github/workflows/mapi.yml b/.github/workflows/mapi.yml
index c76c4427d9..82364dd57b 100644
--- a/.github/workflows/mapi.yml
+++ b/.github/workflows/mapi.yml
@@ -1,7 +1,8 @@
 name: 'Mayhem for API'
-on: [push, pull_request]
+on: [push]
 jobs:
   test:
+    if: ${{ github.repository_owner == "openfoodfoundation" }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: true