diff --git a/create_user.php b/create_user.php
index fe7cc1e..9b27b7e 100644
--- a/create_user.php
+++ b/create_user.php
@@ -5,7 +5,7 @@ require_once './db_connection.php';
 require_once './modules/user.mod.php';
 
 
-$chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"#$%&()*+-./:;<=>?@[]^_`~';
+$chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
 
 $user = new User;
 
diff --git a/inherit_user.php b/inherit_user.php
index 61c9111..e846ede 100644
--- a/inherit_user.php
+++ b/inherit_user.php
@@ -17,5 +17,5 @@ if ($user -> inheritance_code === $code)
                         $user -> pass]);
   }
 else
-  echo 0;
+  echo '0';