diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bc29ceb5..9ca84674 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -357,17 +357,12 @@ jobs:
 
       - name: measure disk space
         run: |
-          cd /var/snap
-          ls -l *
-          for D in $(ls); do
-            sudo du -s --apparent-size $D
-          done
-
-          cd /var/cache
-          ls -l *
-          for D in $(ls); do
-            sudo du -s --apparent-size $D
-          done
+          sudo ls -l /var
+          for D in $(ls /var); do sudo du -s --apparent-size $D done
+          sudo ls -l /var/snap
+          for D in $(ls /var/snap); do sudo du -s --apparent-size $D done
+          sudo ls -l /var/cache
+          for D in $(ls /var/cache); do sudo du -s --apparent-size $D done
 
       # - name: Move cache from home
       #   run: |
@@ -383,17 +378,12 @@ jobs:
 
       - name: measure disk space
         run: |
-          cd /var/snap
-          ls -l *
-          for D in $(ls); do
-            sudo du -s --apparent-size $D
-          done
-
-          cd /var/cache
-          ls -l *
-          for D in $(ls); do
-            sudo du -s --apparent-size $D
-          done
+          sudo ls -l /var
+          for D in $(ls /var); do sudo du -s --apparent-size $D done
+          sudo ls -l /var/snap
+          for D in $(ls /var/snap); do sudo du -s --apparent-size $D done
+          sudo ls -l /var/cache
+          for D in $(ls /var/cache); do sudo du -s --apparent-size $D done
 
       # - name: Move cache to home
       #   run: |