diff --git a/src/Jackett.Common/Indexers/Xthor.cs b/src/Jackett.Common/Indexers/Xthor.cs
index 2997a9af3..a7924dd88 100644
--- a/src/Jackett.Common/Indexers/Xthor.cs
+++ b/src/Jackett.Common/Indexers/Xthor.cs
@@ -32,6 +32,7 @@ namespace Jackett.Common.Indexers
 
         private string TorrentCommentUrl => TorrentDescriptionUrl;
         private string TorrentDescriptionUrl => SiteLink + "details.php?id={id}";
+        private string ReplaceMulti => ConfigData.ReplaceMulti.Value;
         private bool EnhancedAnime => ConfigData.EnhancedAnime.Value;
         private bool DevMode => ConfigData.DevMode.Value;
         private bool CacheMode => ConfigData.HardDriveCache.Value;
@@ -221,6 +222,12 @@ namespace Jackett.Common.Indexers
                     // Adding each torrent row to releases
                     releases.AddRange(xthorResponse.torrents.Select(torrent =>
                     {
+                        //issue #3847 replace multi keyword
+                        if(!string.IsNullOrEmpty(ReplaceMulti)){
+                            System.Text.RegularExpressions.Regex regex = new Regex("(?i)([\\.\\- ])MULTI([\\.\\- ])");
+                            torrent.name = regex.Replace(torrent.name, "$1"+ReplaceMulti+"$2");
+                        }
+
                         var release = new ReleaseInfo
                         {
                             // Mapping data
diff --git a/src/Jackett.Common/Models/IndexerConfig/Bespoke/ConfigurationDataXthor.cs b/src/Jackett.Common/Models/IndexerConfig/Bespoke/ConfigurationDataXthor.cs
index df22f0ad6..bef260456 100644
--- a/src/Jackett.Common/Models/IndexerConfig/Bespoke/ConfigurationDataXthor.cs
+++ b/src/Jackett.Common/Models/IndexerConfig/Bespoke/ConfigurationDataXthor.cs
@@ -6,6 +6,7 @@
         public StringItem PassKey { get; set; }
         public DisplayItem PagesWarning { get; private set; }
         public BoolItem Freeleech { get; private set; }
+        public StringItem ReplaceMulti { get; private set; }
         public BoolItem EnhancedAnime { get; private set; }
         public DisplayItem DevWarning { get; private set; }
         public BoolItem DevMode { get; private set; }
@@ -17,8 +18,9 @@
         {
             CredentialsWarning = new DisplayItem("<b>Credentials Configuration</b> (<i>Private Tracker</i>),<br /><br /> <ul><li><b>PassKey</b> is your private key on your account</li></ul>") { Name = "Credentials" };
             PassKey = new StringItem { Name = "PassKey", Value = "" };
-            PagesWarning = new DisplayItem("<b>Preferences Configuration</b> (<i>Tweak your search settings</i>),<br /><br /> <ul><li><b>Freeleech Only</b> let you search <u>only</u> for torrents which are marked Freeleech.</li><li><b>Enhanced anime search</b>, Enhance sonarr compatibility with Xthor. Only effective on requests with the <u>TVAnime Torznab category</u>.</li></ul>") { Name  = "Preferences" };
+            PagesWarning = new DisplayItem("<b>Preferences Configuration</b> (<i>Tweak your search settings</i>),<br /><br /> <ul><li><b>Freeleech Only</b> let you search <u>only</u> for torrents which are marked Freeleech.</li><b>Replace MULTI</b>, replace multi keyword in the resultset (leave empty  to deactivate)<li></li><li><b>Enhanced anime search</b>, Enhance sonarr compatibility with Xthor. Only effective on requests with the <u>TVAnime Torznab category</u>.</li></ul>") { Name  = "Preferences" };
             Freeleech = new BoolItem() { Name = "Freeleech Only (Optional)", Value = false };
+            ReplaceMulti = new StringItem() { Name = "Replace MULTI", Value = "MULTI.FRENCH" };
             EnhancedAnime = new BoolItem() { Name = "Enhanced anime search", Value = false };
             DevWarning = new DisplayItem("<b>Development Facility</b> (<i>For Developers ONLY</i>),<br /><br /> <ul><li>By enabling development mode, <b>Jackett will bypass his cache</b> and will <u>output debug messages to console</u> instead of his log file.</li><li>By enabling Hard Drive Cache, <b>This provider</b> will <u>save each query answers from tracker</u> in temp directory, in fact this reduce drastically HTTP requests when building a provider at parsing step for example. So, <b> Jackett will search for a cached query answer on hard drive before executing query on tracker side !</b> <i>DEV MODE must be enabled to use it !</li></ul>") { Name = "Development" };
             DevMode = new BoolItem { Name = "Enable DEV MODE (Developers ONLY)", Value = false };