diff --git a/src/App.php b/src/App.php
index 06725aa..f8ae700 100644
--- a/src/App.php
+++ b/src/App.php
@@ -460,6 +460,7 @@ class App
             } else {
                 self::$instance = $tempApp;
             }
+            self::$isInitialised = true;
         }
 
         return self::$instance;