diff --git a/.github/workflows/schedule.yml b/.github/workflows/schedule.yml
index 7eeeb88ae2..a18223a45a 100644
--- a/.github/workflows/schedule.yml
+++ b/.github/workflows/schedule.yml
@@ -6,6 +6,7 @@ jobs:
   updateSchema:
     name: Update schema
     runs-on: ubuntu-latest
+    if: github.event.repository.fork == false
     steps:
     - uses: actions/checkout@master
     - name: Update schema