diff --git a/README.md b/README.md
index 8e3b550..0b8eb8e 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ jobs:
           fi
 
       - name: Run chart-testing (lint)
-        run: ct lint
+        run: ct lint --target-branch ${{ github.event.repository.default_branch }}
 
       - name: Create kind cluster
         uses: helm/kind-action@v1.2.0