diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index fc03e98d302..36e28451ae3 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -9,6 +9,7 @@ on:
 jobs:
   publish-npm:
     runs-on: ubuntu-latest
+    if: github.repository == 'playcanvas/engine'
     steps:
       - name: Check out code
         uses: actions/checkout@v4