diff --git a/.github/workflows/private_builds1.yml b/.github/workflows/private_builds1.yml
index bf17546378b3..8daaa0986997 100644
--- a/.github/workflows/private_builds1.yml
+++ b/.github/workflows/private_builds1.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Checkout kernel source
         uses: actions/checkout@v2
         with:
-          submodules: 'true'
+          submodules: 'recursive'
 
       - name: Checkout zipper
         uses: actions/checkout@v2