diff --git a/upgrade.php b/upgrade.php
index 0a82edfbf..e3bf64ce1 100644
--- a/upgrade.php
+++ b/upgrade.php
@@ -84,7 +84,7 @@ foreach ($env as $line_num => $line) {
 
         if ($env_key == 'APP_KEY') {
             if (($env_value=='')  || (strlen($env_value) < 20)) {
-                $env_bad .= "✘ APP_KEY ERROR in your .env on line #'.$show_line_num.': Your APP_KEY should not be blank. Run `php artisan key:generate` to generate one.\n";
+                $env_bad .= "✘ APP_KEY ERROR in your .env on line #'.{$show_line_num}.': Your APP_KEY should not be blank. Run `php artisan key:generate` to generate one.\n";
             } else {
                 $env_good .= "√ Your APP_KEY is not blank. \n";
             }
@@ -92,8 +92,6 @@ foreach ($env as $line_num => $line) {
 
         if ($env_key == 'APP_URL') {
 
-            $app_url_length = strlen($env_value);
-
             if (($env_value!="null") && ($env_value!="")) {
                 $env_good .= '√ Your APP_URL is not null or blank. It is set to '.$env_value."\n";