diff --git a/app/Models/Database.php b/app/Models/Database.php
index d2a7377f2..ae20a51c8 100644
--- a/app/Models/Database.php
+++ b/app/Models/Database.php
@@ -41,6 +41,7 @@ class Database extends Model
     protected $casts = [
         'server_id' => 'integer',
         'database_host_id' => 'integer',
+        'max_connections' => 'integer',
     ];
 
     /**
@@ -51,7 +52,7 @@ class Database extends Model
         'database_host_id' => 'required|exists:database_hosts,id',
         'database' => 'required|string|alpha_dash|between:3,100',
         'username' => 'string|alpha_dash|between:3,100',
-        'max_connections' => 'nullable',
+        'max_connections' => 'nullable|integer',
         'remote' => 'required|string|regex:/^[0-9%.]{1,15}$/',
         'password' => 'string',
     ];