diff --git a/.github/workflows/r2s_lean_minimal.yml b/.github/workflows/r2s_lean_minimal.yml
index 6cdc01e..e04f64e 100644
--- a/.github/workflows/r2s_lean_minimal.yml
+++ b/.github/workflows/r2s_lean_minimal.yml
@@ -187,7 +187,7 @@ jobs:
         run: |
           cd friendlywrt-rk3328
           sed -i 's/set -eu/set -u/' scripts/mk-friendlywrt.sh
-          ./build.sh nanopi_r2s.mk
+          ./build.sh nanopi_r2s.mk || df -h
 
       - name: Zip Files
         run: |