diff --git a/.github/workflows/tools-api-docs-dev.yml b/.github/workflows/tools-api-docs-dev.yml
index c8ccf211d6..8a45922c7c 100644
--- a/.github/workflows/tools-api-docs-dev.yml
+++ b/.github/workflows/tools-api-docs-dev.yml
@@ -1,7 +1,6 @@
 name: nf-core/tools dev API docs
-on:
-  push:
-    branches: [dev]
+# Run on push and PR to test that docs build
+on: [pull_request, push]
 
 jobs:
   api-docs:
@@ -27,7 +26,8 @@ jobs:
         run: make --directory ./docs/api html
 
       - name: Sync dev docs
-        if: github.repository == 'nf-core/tools'
+        # Only sync with the website if it was a push from nf-core/tools dev branch
+        if: github.repository == 'nf-core/tools' && github.event.type == 'push' && github.event.base_ref == 'refs/heads/dev'
         uses: SamKirkland/FTP-Deploy-Action@4.0.0
         with:
           server: ${{ secrets.ftp_server }}