diff --git a/framework/src/android/net/LinkProperties.java b/framework/src/android/net/LinkProperties.java
index e0926e9..4f7ac30 100644
--- a/framework/src/android/net/LinkProperties.java
+++ b/framework/src/android/net/LinkProperties.java
@@ -1456,9 +1456,8 @@
      * @hide
      */
     public boolean isIdenticalPcscfs(@NonNull LinkProperties target) {
-        Collection<InetAddress> targetPcscfs = target.getPcscfServers();
-        return (mPcscfs.size() == targetPcscfs.size()) ?
-                    mPcscfs.containsAll(targetPcscfs) : false;
+        // list order is important, compare one by one
+        return target.getPcscfServers().equals(mPcscfs);
     }
 
     /**