diff --git a/dispatcher/backend/src/routes/base.py b/dispatcher/backend/src/routes/base.py
index 86d4f549..e5964a84 100644
--- a/dispatcher/backend/src/routes/base.py
+++ b/dispatcher/backend/src/routes/base.py
@@ -16,9 +16,12 @@ def __call__(self, *args, **kwargs):
             "PATCH": self.patch,
             "DELETE": self.delete,
         }
-        handler = handlers[request.method]
+        handler = handlers.get(request.method, self.unknown)
         return handler(*args, **kwargs)
 
+    def unknown(self, *args, **kwargs):
+        return Response(status=HTTPStatus.METHOD_NOT_ALLOWED)
+
     def get(self, *args, **kwargs):
         return Response(status=HTTPStatus.METHOD_NOT_ALLOWED)