diff --git a/scripts/upgrade-server.sh b/scripts/upgrade-server.sh
index 1bfab71..039fde8 100755
--- a/scripts/upgrade-server.sh
+++ b/scripts/upgrade-server.sh
@@ -1,92 +1,95 @@
 #! /bin/bash
 ###############################################################################
 ##											writefreely update script														 ##
 ##																																					 ##
 ##		WARNING: running this script will overwrite any modifed assets or 		 ##
 ##		template files. If you have any custom changes to these files you 		 ##
 ##		should back them up FIRST.																						 ##
 ##																																					 ##
 ##		This must be run from the web application root directory							 ##
 ##		i.e. /var/www/writefreely, and operates under the assumption that you  ##
 ##		have not installed the binary `writefreely` in another location.			 ##
 ###############################################################################
 #
 #			Copyright © 2019 A Bunch Tell LLC.
 #
 #			This file is part of WriteFreely.
 #
 #			WriteFreely is free software: you can redistribute it and/or modify
 #			it under the terms of the GNU Affero General Public License, included
 #			in the LICENSE file in this source code package.
 #
 
 
 # only execute as root, or use sudo
 
 if [[ `id -u` -ne 0 ]]; then
 	echo "You must login as root, or execute this script with sudo"
 	exit 10
 fi
 
 # go ahead and check for the latest release on linux
 echo "Checking for updates.."
 
 url=`curl -s https://api.github.com/repos/writeas/writefreely/releases/latest | grep 'browser_' | grep linux | cut -d\" -f4`
 
 # check current version
 
 current=`./writefreely -v`
+if [ -z "$current" ]; then
+	exit 1
+fi
 
 echo "Current version is v${current:(-5):5}"
 
 # grab latest version number
 IFS='/'
 read -ra parts <<< "$url"
 
 latest=${parts[-2]}
 echo "Latest release is $latest"
 
 
 IFS='.'
 read -ra cv <<< "${current:(-5):5}"
 read -ra lv <<< "${latest#v}"
 
 IFS=' '
 tempdir=$(mktemp -d)
 
 
 if [[ ${lv[0]} -gt ${cv[0]} ]]; then
 	echo "New major version"
 	echo "Downloading.."
 	`wget -P $tempdir -q --show-progress $url`
 elif [[ ${lv[0]} -eq ${cv[0]} ]] && [[ ${lv[1]} -gt ${cv[1]} ]]; then
 	echo "New minor version"
 	echo "Downloading.."
 	`wget -P $tempdir -q --show-progress $url`
 elif [[ ${lv[2]} -gt ${cv[2]} ]]; then
 	echo "New patch version"
 	echo "Downloading.."
 	`wget -P $tempdir -q --show-progress $url`
 else
 	echo "Nothing to change"
 	exit 0
 fi
 
 filename=${parts[-1]}
 
 # extract
 echo "Extracing files.."
 tar -zxf $tempdir/$filename -C $tempdir
 
 # copy files
 echo "Copying files.."
 cp -r $tempdir/{pages,static,templates,writefreely} .
 
 # restart service
 echo "Restarting writefreely systemd service.."
 if `systemctl restart writefreely`; then
 	echo "Success, version has been upgraded to $latest."
 else
 	echo "Upgrade complete, but failed to restart service"
 	exit 1
 fi