diff --git a/core/controllers/ClientVersionController.py b/core/controllers/ClientVersionController.py
index 12dc266..24a6f85 100644
--- a/core/controllers/ClientVersionController.py
+++ b/core/controllers/ClientVersionController.py
@@ -11,7 +11,13 @@ class ClientVersionController:
 
     @staticmethod
     def is_latest(client_version):
-        return client_version.version_number == ClientVersion.latest().version_number
+
+        latest_client_version = ClientVersion.latest()
+
+        if latest_client_version is None:
+            return True
+
+        return client_version.version_number == latest_client_version.version_number
 
     @staticmethod
     def get(version_number: str):