diff --git a/lime/math/Rectangle.hx b/lime/math/Rectangle.hx
index fa0b6f3b5..d6a39485d 100644
--- a/lime/math/Rectangle.hx
+++ b/lime/math/Rectangle.hx
@@ -189,7 +189,7 @@ class Rectangle {
 		var tx0 = m.a * x + m.c * y;
 		var tx1 = tx0;
 		var ty0 = m.b * x + m.d * y;
-		var ty1 = tx0;
+		var ty1 = ty0;
 		
 		var tx = m.a * (x + width) + m.c * y;
 		var ty = m.b * (x + width) + m.d * y;