diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5bc48245b..9aaebde40 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,8 +63,10 @@ jobs:
         run: make test
   e2e:
     name: e2e test
+    if: ${{ github.repository == 'karmada-io/karmada' }}
     needs: build
-    runs-on: ubuntu-latest
+    # switch back to GitHub Action after https://github.com/karmada-io/karmada/issues/481 get fixed.
+    runs-on: self-hosted
     steps:
       - name: checkout code
         uses: actions/checkout@v2