diff --git a/app/Http/Controllers/EchoareaController.php b/app/Http/Controllers/EchoareaController.php
index c8863c0..798dd24 100644
--- a/app/Http/Controllers/EchoareaController.php
+++ b/app/Http/Controllers/EchoareaController.php
@@ -24,7 +24,7 @@ class EchoareaController extends Controller
 			$request->validate([
 				// http://ftsc.org/docs/old/fsp-1028.002
 				'domain_id' => 'required|exists:domains,id',
-				'name' => 'required|max:35|regex:/^[a-zA-Z-_~]{1,8}$/|unique:echoareas,name,'.($o->exists ? $o->id : 0),
+				'name' => 'required|min:4|max:35|regex:/^[a-zA-Z-_~]{4,}$/|unique:echoareas,name,'.($o->exists ? $o->id : 0),
 				'description' => 'required',
 				'active' => 'required|boolean',
 				'public' => 'required|boolean',