diff --git a/cleanup.sh b/cleanup.sh
index dcd23d9..6bad121 100644
--- a/cleanup.sh
+++ b/cleanup.sh
@@ -6,6 +6,6 @@ find /var/log -type f -regextype posix-extended -regex '.*\.(gz|xz|[0-9])' -dele
 truncate -s0 $HOME/.bash_history
 [ -w $HOME/.zsh_history ] && truncate -s0 $HOME/.zsh_history
 find /var/log -type f -exec truncate -s0 '{}' '+'
-dd if=/dev/zero of=/emptyfile oflag=sync status=progress bs=4M;
+dd if=/dev/zero of=/emptyfile oflag=dsync status=progress bs=4M;
 rm -f /emptyfile;
 poweroff