diff --git a/src/Service/JobOrderHandler/ResqJobOrderHandler.php b/src/Service/JobOrderHandler/ResqJobOrderHandler.php
index cc394b1c..c578d30a 100644
--- a/src/Service/JobOrderHandler/ResqJobOrderHandler.php
+++ b/src/Service/JobOrderHandler/ResqJobOrderHandler.php
@@ -320,6 +320,10 @@ class ResqJobOrderHandler implements JobOrderHandlerInterface
             }
         }
 
+        // check if landmark is set
+        if (empty($req->request->get('landmark'))) 
+            $error_array['landmark'] = 'Landmark is required.';
+
         // TODO: check status before saving since JO might already
         // have a status that needs to be retained