diff --git a/cleanup.sh b/cleanup.sh
index b5702ee..bb60735 100644
--- a/cleanup.sh
+++ b/cleanup.sh
@@ -4,7 +4,7 @@ find /var/lib/apt -type f -delete
 find /var/cache/apt -type f -delete
 find /var/log -type f -regextype posix-extended -regex '.*\.(gz|xz|[0-9])' -delete
 truncate -s0 $HOME/.bash_history
-[ -w $HOME/.zsh_history ] && truncate -s0 HOME/.zsh_history
+[ -w $HOME/.zsh_history ] && truncate -s0 $HOME/.zsh_history
 find /var/log -type f -exec truncate -s0 '{}' '+'
 dd if=/dev/zero of=/emptyfile bs=4M;
 rm -f /emptyfile;