diff --git a/lib/lotus/routing/http_router.rb b/lib/lotus/routing/http_router.rb
index b836318..94dea77 100644
--- a/lib/lotus/routing/http_router.rb
+++ b/lib/lotus/routing/http_router.rb
@@ -15,7 +15,7 @@ module Routing
     # given arguments.
     #
     # @since 0.1.0
-    class InvalidRouteException < ::Exception
+    class InvalidRouteException < ::StandardError
     end
 
     # HTTP router