diff --git a/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/MultiRegionExtent.java b/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/MultiRegionExtent.java
index e7f88c7c5..c13c5965b 100644
--- a/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/MultiRegionExtent.java
+++ b/worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/MultiRegionExtent.java
@@ -172,7 +172,7 @@ public class MultiRegionExtent extends FaweRegionExtent {
             set = intersection.processSet(chunk, get, set);
         }
         if (disallowedIntersection != null) {
-            intersection.processSet(chunk, get, set);
+            set = disallowedIntersection.processSet(chunk, get, set, true);
         }
         return set;
     }