diff --git a/src/Controller/GameController.php b/src/Controller/GameController.php
index 23cf3c3..ba4b368 100644
--- a/src/Controller/GameController.php
+++ b/src/Controller/GameController.php
@@ -92,6 +92,9 @@ class GameController
                 'rounds' => [],
                 'currentRound' => -1
             ]);
+        } else { // update the area of the map in the session in any case
+            $state['area'] = $map->getArea();
+            $session->set('state', $state);
         }
 
         return new JsonContent([