diff --git a/.github/workflows/kernels.yml b/.github/workflows/kernels.yml
index 3fae7b9..13aa176 100644
--- a/.github/workflows/kernels.yml
+++ b/.github/workflows/kernels.yml
@@ -56,6 +56,8 @@ jobs:
     - name: Build needed kernels
       run: |
         while IFS= read -r version; do
+            # If there's no diff, there will be a single empty version
+            [[ -n "$version" ]] || continue
             echo "Building: ${version}"
             ./build.sh "$version"
         done <<< "${{ steps.calculate.outputs.NEEDED_KERNELS }}"