diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java b/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
index 295b41110..433d6d739 100644
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
+++ b/worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java
@@ -1469,7 +1469,7 @@ public class EditSession extends PassthroughExtent implements AutoCloseable {
             setSourceMask(null);
             copy.setSourceMask(mask);
         }
-        Operations.completeBlindly(copy);
+        Operations.completeLegacy(copy);
         return this.changes = copy.getAffected();
     }