Changed the default controller route to use single quotes instead of double quotes
diff --git a/application/config/routes.php b/application/config/routes.php
index 474bda9..0011986 100644
--- a/application/config/routes.php
+++ b/application/config/routes.php
@@ -64,7 +64,7 @@
 |
 */
 
-$route['default_controller'] = "welcome";
+$route['default_controller'] = 'welcome';
 $route['404_override'] = '';
 
 /* End of file routes.php */