diff --git a/.github/workflows/semgrep.yml b/.github/workflows/semgrep.yml
index 5895b13e3a..23845c2aa0 100644
--- a/.github/workflows/semgrep.yml
+++ b/.github/workflows/semgrep.yml
@@ -8,6 +8,7 @@ on:
 jobs:
   semgrep:
     name: Scan
+    if: "github.repository == 'polkadot-js/api'"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2