diff --git a/WHMapper/Hubs/IWHMapperNotificationHub.cs b/WHMapper/Hubs/IWHMapperNotificationHub.cs
index 77670d3f..774d8a03 100644
--- a/WHMapper/Hubs/IWHMapperNotificationHub.cs
+++ b/WHMapper/Hubs/IWHMapperNotificationHub.cs
@@ -16,7 +16,7 @@ public interface IWHMapperNotificationHub
         Task NotifyUsersPosition(IDictionary<string, string> connectedUsersPosition);
         Task NotifyWormoleMoved(string userName, int mapId, int wormholeId,double posx,double posy);
         Task NotifyLinkChanged(string username,int mapId, int linkId, bool eol, SystemLinkSize size, SystemLinkMassStatus mass);
-        Task NotifyWormholeNameExtensionChanged(string username, int mapId, int wormholeId);
+        Task NotifyWormholeNameExtensionChanged(string username, int mapId, int wormholeId,bool increment);
         Task NotifyWormholeSignaturesChanged(string username, int mapId, int wormholeId);
         Task NotifyWormholeLockChanged(string username, int mapId, int wormholeId, bool locked);
     }
diff --git a/WHMapper/Hubs/WHMapperNotificationHub.cs b/WHMapper/Hubs/WHMapperNotificationHub.cs
index e9835a82..53383813 100644
--- a/WHMapper/Hubs/WHMapperNotificationHub.cs
+++ b/WHMapper/Hubs/WHMapperNotificationHub.cs
@@ -143,12 +143,12 @@ public async Task SendLinkChanged(int mapId, int linkId, bool eol, SystemLinkSiz
             }
         }
 
-        public async Task SendWormholeNameExtensionChanged(int mapId, int wowrmholeId)
+        public async Task SendWormholeNameExtensionChanged(int mapId, int wowrmholeId,bool increment)
         {
             string userName = CurrentUser();
             if (!string.IsNullOrEmpty(userName))
             {
-                await Clients.AllExcept(Context.ConnectionId).NotifyWormholeNameExtensionChanged(userName, mapId, wowrmholeId);
+                await Clients.AllExcept(Context.ConnectionId).NotifyWormholeNameExtensionChanged(userName, mapId, wowrmholeId,increment);
             }
 
         }
diff --git a/WHMapper/Pages/Mapper/Overview.cs b/WHMapper/Pages/Mapper/Overview.cs
index ddfcacab..2f5d9c9e 100644
--- a/WHMapper/Pages/Mapper/Overview.cs
+++ b/WHMapper/Pages/Mapper/Overview.cs
@@ -406,7 +406,7 @@ await Parallel.ForEachAsync(usersPosition, async (item, cancellationToken) =>
                         }
                     });
 
-                    _hubConnection.On<string, int, int>("NotifyWormholeNameExtensionChanged", async (user, mapId, wormholeId) =>
+                    _hubConnection.On<string, int, int,bool>("NotifyWormholeNameExtensionChanged", async (user, mapId, wormholeId,increment) =>
                     {
                         try
                         {
@@ -415,7 +415,14 @@ await Parallel.ForEachAsync(usersPosition, async (item, cancellationToken) =>
                                 _selectedWHMap = await DbWHMaps.GetById(mapId);
                                 EveSystemNodeModel systemToIncrementNameExtenstion = (EveSystemNodeModel)Diagram?.Nodes?.FirstOrDefault(x => ((EveSystemNodeModel)x).IdWH == wormholeId);
                                 if (systemToIncrementNameExtenstion != null)
+                                {
+                                    if (increment)
+                                        systemToIncrementNameExtenstion.IncrementNameExtension();
+                                    else
+                                        systemToIncrementNameExtenstion.DecrementNameExtension();
+
                                     systemToIncrementNameExtenstion.Refresh();
+                                }
                             }
                         }
                         catch (Exception ex)
@@ -538,11 +545,11 @@ private async Task NotifyLinkChanged(int mapId,int linkId, bool eol, SystemLinkS
             }
         }
 
-        private async Task NotifyWormholeNameExtensionChanged(int mapId, int wormholeId)
+        private async Task NotifyWormholeNameExtensionChanged(int mapId, int wormholeId,bool increment)
         {
             if (_hubConnection is not null)
             {
-                await _hubConnection.SendAsync("SendWormholeNameExtensionChanged", mapId, wormholeId);
+                await _hubConnection.SendAsync("SendWormholeNameExtensionChanged", mapId, wormholeId, increment);
             }
         }
 
@@ -1065,7 +1072,7 @@ private async Task<bool> IncrementOrDecrementNodeExtensionNameOnMap(WHMap map, E
 
                     if (wh != null)
                     {
-                        await NotifyWormholeNameExtensionChanged(map.Id, wh.Id);
+                        await NotifyWormholeNameExtensionChanged(map.Id, wh.Id, increment);
                         return true;
                     }
                 }