From 6e3d8395dfda88734b6ebedcab9fcf673ba0e4cc Mon Sep 17 00:00:00 2001
From: TomyLobo <tomylobo@nurfuerspam.de>
Date: Tue, 29 Oct 2013 08:38:16 +0100
Subject: [PATCH] Fixed UnderOverlayMask.

---
 src/main/java/com/sk89q/worldedit/masks/UnderOverlayMask.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/main/java/com/sk89q/worldedit/masks/UnderOverlayMask.java b/src/main/java/com/sk89q/worldedit/masks/UnderOverlayMask.java
index f2426e429..c84bbf47e 100644
--- a/src/main/java/com/sk89q/worldedit/masks/UnderOverlayMask.java
+++ b/src/main/java/com/sk89q/worldedit/masks/UnderOverlayMask.java
@@ -68,7 +68,6 @@ public class UnderOverlayMask implements Mask {
 
     @Override
     public boolean matches(EditSession editSession, Vector pos) {
-        return mask.matches(editSession, pos.add(0, yMod, 0));
+        return !mask.matches(editSession, pos) && mask.matches(editSession, pos.add(0, yMod, 0));
     }
-
 }