diff --git a/ChangeLog.md b/ChangeLog.md
index a85fb2ab2..c8afab7b4 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -44,6 +44,11 @@ connection timeout specified using the `ConnectTimeout` OpenSSH config file
 keyword was interpreted as milliseconds rather than seconds.  This caused the
 SSH connection to fail if the timeout was too low.
 
+10. Fixed a regression introduced by 3.1 beta1[3] whereby the value of the
+TurboVNC Viewer's `Subsampling` parameter, if specified using the `Samp` alias,
+did not override per-host options that were previously saved by the TurboVNC
+Viewer Options dialog.
+
 
 3.1.3
 =====
diff --git a/java/com/turbovnc/rfb/AliasParameter.java b/java/com/turbovnc/rfb/AliasParameter.java
index cdce911b8..7547ffa75 100644
--- a/java/com/turbovnc/rfb/AliasParameter.java
+++ b/java/com/turbovnc/rfb/AliasParameter.java
@@ -1,4 +1,5 @@
-/* Copyright (C) 2012, 2018, 2022-2023 D. R. Commander.  All Rights Reserved.
+/* Copyright (C) 2012, 2018, 2022-2023, 2025 D. R. Commander.
+ *                                           All Rights Reserved.
  * Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
  *
  * This is free software; you can redistribute it and/or modify
@@ -27,7 +28,11 @@ public AliasParameter(String name, Params params, String desc,
     param = param_;
   }
 
-  public boolean set(String str) { return param.set(str); }
+  public boolean set(String str) {
+    boolean retval = param.set(str);
+    param.setCommandLine(isCommandLine());
+    return retval;
+  }
 
   public void reset() { param.reset(); }