diff --git a/src/main/resources/org/sablecc/sablecc/utils.txt b/src/main/resources/org/sablecc/sablecc/utils.txt
index 71cf7cd5711fb32591533a269c2420cfff58c752..14f336f28ec35752e500b64c5d93e3ecff2043eb 100644
--- a/src/main/resources/org/sablecc/sablecc/utils.txt
+++ b/src/main/resources/org/sablecc/sablecc/utils.txt
@@ -315,7 +315,7 @@ public abstract class Node extends PositionedNode implements Switchable, Cloneab
 
         for(T n : list)
         {
-            clone.add(n);
+            clone.add(cloneNode(n));
         }
 
         return clone;