diff --git a/lib/game_client.rb b/lib/game_client.rb
index c029513..5af13dd 100644
--- a/lib/game_client.rb
+++ b/lib/game_client.rb
@@ -39,7 +39,7 @@ class GameClient
   end
 
   def on_tick
-    call_hook(:tick, nil)
+    call_hook(:tick, Context.new(nil))
   end
 
   def on_auth_on