diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0c58d98..8f67bc7 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -384,6 +384,7 @@ jobs:
 
   create_manifest_list:
     name: Build and publish manifest list
+    if: ${{ !github.event.pull_request.head.repo.fork }}
     needs:
       - package_and_publish
     runs-on: ubuntu-latest