diff --git a/script/cleanup.sh b/script/cleanup.sh
index 84be29fe..d3a073a7 100644
--- a/script/cleanup.sh
+++ b/script/cleanup.sh
@@ -1,6 +1,7 @@
 #!/bin/bash -eux
 
 SSH_USER=${SSH_USERNAME:-vagrant}
+DISK_USAGE_BEFORE_CLEANUP=$(df -h)
 
 # Make sure udev does not block our network - http://6.ptmc.org/?p=164
 echo "==> Cleaning up udev rules"
@@ -45,8 +46,6 @@ apt-get -y autoclean
 echo "==> Installed packages"
 dpkg --get-selections | grep -v deinstall
 
-DISK_USAGE_BEFORE_CLEANUP=$(df -h)
-
 # Remove Bash history
 unset HISTFILE
 rm -f /root/.bash_history
@@ -98,7 +97,7 @@ rm -f /EMPTY
 sync
 
 echo "==> Disk usage before cleanup"
-echo ${DISK_USAGE_BEFORE_CLEANUP}
+echo "${DISK_USAGE_BEFORE_CLEANUP}"
 
 echo "==> Disk usage after cleanup"
 df -h