diff --git a/src/Bundle/ChillMainBundle/Entity/LocationType.php b/src/Bundle/ChillMainBundle/Entity/LocationType.php
index a9ff33414..b0d91a4f1 100644
--- a/src/Bundle/ChillMainBundle/Entity/LocationType.php
+++ b/src/Bundle/ChillMainBundle/Entity/LocationType.php
@@ -142,7 +142,7 @@ class LocationType
         return $this;
     }
 
-    public function setDefaultFor(string $defaultFor): self
+    public function setDefaultFor(?string $defaultFor): self
     {
         $this->defaultFor = $defaultFor;