diff --git a/src/Databases.php b/src/Databases.php
index d755c3b..bad5e59 100644
--- a/src/Databases.php
+++ b/src/Databases.php
@@ -13,9 +13,9 @@ class Databases
 
     public function create(
         string $password,
-        string $description = null,
+        ?string $description = null,
         bool $mail = false,
-        string $suffix = null
+        ?string $suffix = null
     ): array {
         return $this->customer->server->request('Mysqls.add', [
             'customerid' => $this->customer->id,
@@ -32,4 +32,4 @@ class Databases
             'customerid' => $this->customer->id,
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Emails.php b/src/Emails.php
index 1ffa39c..078c679 100644
--- a/src/Emails.php
+++ b/src/Emails.php
@@ -11,7 +11,7 @@ class Emails
         $this->customer = $customer;
     }
 
-    public function create(string $email_part, string $domain, string $description = null): array
+    public function create(string $email_part, string $domain, ?string $description = null): array
     {
         return $this->customer->server->request('Emails.add', [
             'customerid' => $this->customer->id,
@@ -27,4 +27,4 @@ class Emails
             'customerid' => $this->customer->id,
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Ftps.php b/src/Ftps.php
index 5c5a197..bafc580 100644
--- a/src/Ftps.php
+++ b/src/Ftps.php
@@ -11,7 +11,7 @@ class Ftps
         $this->customer = $customer;
     }
 
-    public function create(string $password, string $path = '/', string $description = null, bool $mail = false): array
+    public function create(string $password, string $path = '/', ?string $description = null, bool $mail = false): array
     {
         return $this->customer->server->request('Ftps.add', [
             'customerid' => $this->customer->id,
@@ -28,4 +28,4 @@ class Ftps
             'customerid' => $this->customer->id,
         ]);
     }
-}
\ No newline at end of file
+}