diff --git a/src/Controller/APIController.php b/src/Controller/APIController.php
index 02982abd..c962a2cd 100644
--- a/src/Controller/APIController.php
+++ b/src/Controller/APIController.php
@@ -2719,7 +2719,7 @@ class APIController extends Controller implements LoggedController
         $instructions = $req->request->get('delivery_instructions', '');
 
         // landmark
-        $landmark = $req->request->get('landmark', '');
+        $landmark = $req->request->get('landmark', ' ');
 
         // longitude and latitude
         $long = $req->request->get('long');