diff --git a/src/Database/Models/Tenant.php b/src/Database/Models/Tenant.php
index 4ec685b7..e5c5f8e4 100644
--- a/src/Database/Models/Tenant.php
+++ b/src/Database/Models/Tenant.php
@@ -30,6 +30,7 @@ class Tenant extends Model implements Contracts\Tenant
 
     protected $table = 'tenants';
     protected $primaryKey = 'id';
+    protected $keyType = 'string';
     protected $guarded = [];
 
     public function getTenantKeyName(): string