diff --git a/core/java/android/net/LinkProperties.java b/core/java/android/net/LinkProperties.java
index 617125b3f9..c2963fd605 100644
--- a/core/java/android/net/LinkProperties.java
+++ b/core/java/android/net/LinkProperties.java
@@ -191,6 +191,7 @@ public final class LinkProperties implements Parcelable {
             }
             setMtu(source.mMtu);
             mTcpBufferSizes = source.mTcpBufferSizes;
+            mNat64Prefix = source.mNat64Prefix;
         }
     }