diff --git a/.github/workflows/build-u-boot-with-docker.yml b/.github/workflows/build-u-boot-with-docker.yml
index 45446418..6d56f234 100644
--- a/.github/workflows/build-u-boot-with-docker.yml
+++ b/.github/workflows/build-u-boot-with-docker.yml
@@ -74,6 +74,7 @@ jobs:
        
   U-boot:
     needs: Prepare
+    if: ${{ needs.Prepare.outputs.matrix != '[]' && needs.Prepare.outputs.matrix != '' }}
     strategy:
       fail-fast: false
       matrix: