diff --git a/.github/workflows/deploy-docs-preview.yml b/.github/workflows/deploy-docs-preview.yml
index 3e25521d5f..2267f3192b 100644
--- a/.github/workflows/deploy-docs-preview.yml
+++ b/.github/workflows/deploy-docs-preview.yml
@@ -20,7 +20,9 @@ defaults:
 
 jobs:
   staging-deploy:
-    if: github.repository == 'voidzero-dev/vite-plus'
+    if: >-
+      github.repository == 'voidzero-dev/vite-plus' &&
+      github.event.pull_request.head.repo.full_name == github.repository
     runs-on: ubuntu-latest
     permissions:
       contents: read