diff --git a/bin/gatherstats.pl b/bin/gatherstats.pl
index 776b787..8ec32ec 100755
--- a/bin/gatherstats.pl
+++ b/bin/gatherstats.pl
@@ -411,8 +411,8 @@ sub ClientStats {
       # parse header
       # User-Agent style
       if ($Header{'x-newsreader'} =~ /^([^\/ ]+\/[^\/ ]+ ?)+$/) {
-        # transfer to user-agent and parse from there
-        $Header{'user-agent'} = $Header{'x-newsreader'};
+        # transfer to user-agent, if not set, and parse from there
+        $Header{'user-agent'} = $Header{'x-newsreader'} if !$Header{'user-agent'};
       # "client name version"
       } elsif ($Header{'x-newsreader'} =~ / /) {
         ($Client, $Version) = ParseXNewsreader($Header{'x-newsreader'});
@@ -428,7 +428,7 @@ sub ClientStats {
                          version => $Version);
         push @Clients, { %UserAgent };
       } else {
-        $Header{'user-agent'} = $Header{'x-newsreader'};
+        $Header{'user-agent'} = $Header{'x-newsreader'} if !$Header{'user-agent'};
       }
     }
     ### User-Agent
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 8c3753f..754c69f 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -6,6 +6,7 @@ NewsStats 0.5.0 (unreleased)
   * Rename postingstats.pl to poststats.pl, rename
     dopostingstats.sh accordingly, fix all references.
   * Fix missing variable initialisation in FormatOutput().
+  * gatherstats: Don't' overwrite User-Agent with X-Newsreader.
 
 NewsStats 0.4.0 (2025-06-02)
   * Reformat $Conf{TLH} for GroupStats only.