diff --git a/shells/zshrc b/shells/zshrc
index 7f339b6..1674c3d 100644
--- a/shells/zshrc
+++ b/shells/zshrc
@@ -159,8 +159,11 @@ function ctar(){
   #tar -cf - $@|pv -WcN tar -s $(echo $(du -sb $@|awk '{print $1}'|tr '\n' '+')0|bc)|gzip|pv -WcN dest
 }
 function offline(){
-  echo unshare -n --  sh -c "sudo -u stonewareslord zsh -c '$@'"
-  sudo unshare -n --  sh -c "sudo -u stonewareslord zsh -c '$@'"
+  if [ ! -z "$@" ] ; then
+    sudo unshare -n -- sudo -u stonewareslord zsh -c "$@"
+  else
+    sudo unshare -n -- sudo -u stonewareslord zsh
+  fi
 }
 function smon(){
   timeout 1s pdsh -R ssh -w 10.0.1.196,10.0.1.207 "$@"