diff --git a/app/Commands/LetsEncryptAddCommand.php b/app/Commands/LetsEncryptAddCommand.php
index ebb1750..fdf7492 100644
--- a/app/Commands/LetsEncryptAddCommand.php
+++ b/app/Commands/LetsEncryptAddCommand.php
@@ -3,9 +3,11 @@
 namespace App\Commands;
 
 use Illuminate\Console\Scheduling\Schedule;
-use Illuminate\Support\Facades\Validator;
 use LaravelZero\Framework\Commands\Command;
 
+use Respect\Validation\Validator as v;
+use Respect\Validation\Exceptions\NestedValidationException;
+
 /**
  *  Add LetsEncrypt Certificate
  *
@@ -41,19 +43,8 @@ class LetsEncryptAddCommand extends Command
     {
         $email = $this->argument('email');
 
-        // email for validator
-        $validator = Validator::make([
-            'email' => $email
-        ], [
-            'email' => ['email'],
-        ]);
-
-        // show if error if first argument is not a email
-        if ($validator->fails()) {
-            foreach ($validator->errors()->all() as $error) {
-                $this->error($error);
-            }
-
+        if (!v::email()->validate($email)) {
+            $this->error('First argument has to be a valid E-Mail! Failed!');
             exit();
         }