diff --git a/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java b/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java
index 99d3f8925..37c944da4 100644
--- a/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java
+++ b/src/main/java/com/sk89q/worldedit/regions/CuboidRegion.java
@@ -64,6 +64,7 @@ public class CuboidRegion extends AbstractRegion implements FlatRegion {
         super(world);
         this.pos1 = pos1;
         this.pos2 = pos2;
+        recalculate();
     }
 
     /**