diff --git a/TShockAPI/TSPlayer.cs b/TShockAPI/TSPlayer.cs
index 414bc62a..47f4e714 100644
--- a/TShockAPI/TSPlayer.cs
+++ b/TShockAPI/TSPlayer.cs
@@ -1345,8 +1345,8 @@ namespace TShockAPI
 			{
 				x = TShock.Utils.Clamp(x, Main.maxTilesX, 0);
 				y = TShock.Utils.Clamp(y, Main.maxTilesY, 0);
-				width = TShock.Utils.Clamp(x + width, Main.maxTilesX, 1) - x;
-				length = TShock.Utils.Clamp(y + length, Main.maxTilesY, 1) - x;
+				width = TShock.Utils.Clamp(x + width, Main.maxTilesX, 0) - x;
+				length = TShock.Utils.Clamp(y + length, Main.maxTilesY, 0) - x;
 				NetMessage.SendTileSquare(Index, x, y, width, length, changeType);
 				return true;
 			}