diff --git a/.github/workflows/preview.yaml b/.github/workflows/preview.yaml
index 94d22b7a5..667c08fd0 100644
--- a/.github/workflows/preview.yaml
+++ b/.github/workflows/preview.yaml
@@ -7,6 +7,7 @@ on:
 
 jobs:
   build-preview:
+    if: ${{ github.repository == 'jackyzha0/quartz' }}
     runs-on: ubuntu-latest
     name: Build Preview
     steps: