diff --git a/tetris/modes/sakura.lua b/tetris/modes/sakura.lua
index 301e13c..a2f60a3 100644
--- a/tetris/modes/sakura.lua
+++ b/tetris/modes/sakura.lua
@@ -437,7 +437,7 @@ function SakuraGame:advanceOneFrame(inputs, ruleset)
     return true
 end
 
-function GameMode:onGameComplete() end
+function SakuraGame:onGameComplete() end
 
 local function colourXRay(game, block, x, y, age)
     local r, g, b, a = .5,.5,.5