diff --git a/app/Http/Controllers/SystemController.php b/app/Http/Controllers/SystemController.php
index 649166d..db43c23 100644
--- a/app/Http/Controllers/SystemController.php
+++ b/app/Http/Controllers/SystemController.php
@@ -82,13 +82,15 @@ class SystemController extends Controller
 						function ($attribute,$value,$fail) use ($request) {
 							// Check that the region doesnt already exist
 							$o = Address::where(function($query) use ($value) {
-								return $query->where('region_id',$value)
-									->where('role',DomainController::NODE_RC);
-							})
-							// Check that a host doesnt already exist
-							->orWhere(function($query) use ($value) {
-								return $query->where('host_id',$value)
-									->where('role',DomainController::NODE_NC);
+								return $query->where(function($query) use ($value) {
+									return $query->where('region_id',$value)
+										->where('role',DomainController::NODE_RC);
+								})
+								// Check that a host doesnt already exist
+								->orWhere(function($query) use ($value) {
+									return $query->where('host_id',$value)
+										->where('role',DomainController::NODE_NC);
+								});
 							})
 							->where('zone_id',$request->post('zone_id'))
 							->where('point_id',0)