diff --git a/restore_pkgs.sh b/restore_pkgs.sh
index cfd292e..2e61d70 100755
--- a/restore_pkgs.sh
+++ b/restore_pkgs.sh
@@ -9,11 +9,16 @@ cache_dir=$1
 # Typically filesystem root '/' but can be changed for testing.
 cache_restore_root=$2
 
-for cache_filepath in $(ls $cache_dir); do
+cache_filenames=$(ls -1 $cache_dir | sort)
+echo "* Found ${#cache_filenames[@]} files in cache..."
+echo $cache_filenames
+
+for cache_filename in $cache_filenames; do
+  cache_filepath=$cache_dir/$cache_filename
   echo "* Restoring $cache_filepath from cache... "
   sudo tar -xf $cache_filepath -C $cache_restore_root  
 done
 # Update all packages.
 sudo apt-get --yes --only-upgrade install
 
-echo "Action complete. $(ls -l $cache_dir | wc -l) package(s) restored."
+echo "Action complete. $(echo $cache_filenames | wc -l) package(s) restored."