diff --git a/rhythmblock.lua b/rhythmblock.lua
index ae347d0..48a6389 100644
--- a/rhythmblock.lua
+++ b/rhythmblock.lua
@@ -106,7 +106,7 @@ while true do
     local event = eventData[1]
 
     if event == "mouse_up" then
-	if eventData[2] == 1 and x >= eventData[3] - 4 and eventData[4] >= centerHeight - 4 and eventData[3] <= centerWidth + 4 and eventData[4] <= centerHeight + 2 then
+	if eventData[2] == 1 and eventData[3] >= centerWidth - 4 and eventData[4] >= centerHeight - 4 and eventData[3] <= centerWidth + 4 and eventData[4] <= centerHeight + 2 then
                 if playing == true then
                         stopDisc()
                 else