diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java b/worldedit-core/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java
index 8269821c1..942e92d6e 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java
@@ -324,9 +324,9 @@ public class CuboidRegion extends AbstractRegion implements FlatRegion {
 
     @Override
     public boolean contains(Vector position) {
-        double x = position.getX();
-        double y = position.getY();
-        double z = position.getZ();
+        int x = position.getBlockX();
+        int y = position.getBlockY();
+        int z = position.getBlockZ();
 
         Vector min = getMinimumPoint();
         Vector max = getMaximumPoint();