diff --git a/scripts/demo1.py b/scripts/demo1.py
index 022eb2a..7eb0e21 100755
--- a/scripts/demo1.py
+++ b/scripts/demo1.py
@@ -17,7 +17,7 @@ command_rect = (drawing_rect[2], screen_rect[1], screen_rect[2], screen_rect[3])
 cmd1_rect = (command_rect[0], command_rect[1], command_rect[2], 60)
 cmd2_rect = (command_rect[0], 60, command_rect[2], 120)
 cmd3_rect = (command_rect[0], 120, command_rect[2], 180)
-cmd3_rect = (command_rect[0], 180, command_rect[2], command_rect[3])
+cmd4_rect = (command_rect[0], 180, command_rect[2], command_rect[3])
 
 def point_in_rect(rect, x, y):
 	return (x >= rect[0]) and (x < rect[2]) and (y >= rect[1]) and (y < rect[3])