diff --git a/21g30t1e75.js b/21g30t1e75.js
index 320a195..9019970 100644
--- a/21g30t1e75.js
+++ b/21g30t1e75.js
@@ -12,7 +12,7 @@ GameLib.CustomCode.BODY_TYPE_TAIL	= 0x2;
 GameLib.CustomCode.BODY_TYPE_CORNER	= 0x3;
 
 GameLib.CustomCode.GRID_WIDTH 	= 5;
-GameLib.CustomCode.GRID_HEIGHT 	= 5;
+GameLib.CustomCode.GRID_HEIGHT 	= 4;
 
 GameLib.CustomCode.GRID_OFFSET_X = 1;
 GameLib.CustomCode.GRID_OFFSET_Y = 8;