diff --git a/.github/actions/checkout-in-ns3/action.yml b/.github/actions/checkout-in-ns3/action.yml
index c11aa062f8..963b137c55 100644
--- a/.github/actions/checkout-in-ns3/action.yml
+++ b/.github/actions/checkout-in-ns3/action.yml
@@ -10,6 +10,8 @@ runs:
       uses: actions/checkout@v4
       with:
         path: "src/lorawan"
+        # for Codecov commit identification
+        fetch-depth: 2
     - name: "Download ns-3-dev working tree with Gitlab API"
       run: |
         tag=$(< src/lorawan/NS3-VERSION) && tag=${tag#release }