diff --git a/tetris/modes/marathon_st.lua b/tetris/modes/marathon_st.lua
index d9d5602..3025896 100644
--- a/tetris/modes/marathon_st.lua
+++ b/tetris/modes/marathon_st.lua
@@ -124,7 +124,7 @@ function MarathonSTGame:advanceOneFrame()
 			end
 			return false
         end
-		if self.roll_frames > 3694 then
+		if self.roll_frames > 3701 then
             switchBGM(nil)
 			self.completed = true
 		end