diff --git a/.github/workflows/deploy-pr-preview.yml b/.github/workflows/deploy-pr-preview.yml
index c481e570b..dc80619c4 100644
--- a/.github/workflows/deploy-pr-preview.yml
+++ b/.github/workflows/deploy-pr-preview.yml
@@ -11,6 +11,7 @@ on:
 
 jobs:
   deploy-pr-preview:
+    if: ! github.event.pull_request.head.repo.fork
     uses: grafana/writers-toolkit/.github/workflows/deploy-preview.yml@main
     with:
       sha: ${{ github.event.pull_request.head.sha }}