diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 46155aef..4cc24057 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -358,6 +358,7 @@ jobs:
       - name: measure disk space
         run: |
           cd /
+          ls -l
           for D in $(ls | grep -v proc); do
             sudo du -s --apparent-size $D
           done
@@ -377,6 +378,7 @@ jobs:
       - name: measure disk space
         run: |
           cd /
+          ls -l
           for D in $(ls | grep -v proc); do
             sudo du -s --apparent-size $D
           done