diff --git a/app/Models/Address.php b/app/Models/Address.php
index d103833..bfb3585 100644
--- a/app/Models/Address.php
+++ b/app/Models/Address.php
@@ -859,6 +859,6 @@ class Address extends Model
 	 */
 	public function session(string $type): ?string
 	{
-		return ($this->exists && ($x=$this->system->sessions->where('id',$this->zone_id)->first())) ? $x->pivot->{$type} : NULL;
+		return ($this->exists && ($x=$this->system->sessions->where('id',$this->zone_id)->first())) ? ($x->pivot->{$type} ?: '') : NULL;
 	}
 }