diff --git a/FLocal.Common/BBCodes/User.cs b/FLocal.Common/BBCodes/User.cs
index 45f45d0..0b2d914 100644
--- a/FLocal.Common/BBCodes/User.cs
+++ b/FLocal.Common/BBCodes/User.cs
@@ -13,6 +13,7 @@ namespace FLocal.Common.BBCodes {
 
 		public override string Format(IPostParsingContext context, ITextFormatter formatter) {
 			var user = dataobjects.User.LoadByName(this.DefaultOrValue);
+			context.OnUserMention(user);
 			var url = new URL.users.user.Info(user.id.ToString(), null);
 			return String.Format("<a class=\"separate UG_{0}\" href=\"{1}\">{2}</a>", this.Safe(user.userGroup.name), url.canonical, this.Safe(user.name));
 		}
diff --git a/FLocal.Common/BBCodes/helpers/IPostParsingContext.cs b/FLocal.Common/BBCodes/helpers/IPostParsingContext.cs
index 038221f..7a3bf3b 100644
--- a/FLocal.Common/BBCodes/helpers/IPostParsingContext.cs
+++ b/FLocal.Common/BBCodes/helpers/IPostParsingContext.cs
@@ -2,9 +2,9 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
-using FLocal.Common.dataobjects;
 
 namespace FLocal.Common.BBCodes {
 	public interface IPostParsingContext {
+		void OnUserMention(dataobjects.User user);
 	}
 }
diff --git a/FLocal.Common/UBBParser.cs b/FLocal.Common/UBBParser.cs
index 8968bc0..f85ce87 100644
--- a/FLocal.Common/UBBParser.cs
+++ b/FLocal.Common/UBBParser.cs
@@ -161,18 +161,22 @@ namespace FLocal.Common {
 			}
 
 			public string ParseQuote(string input) {
-				string result = this.quotesParser.Parse(input).Format(new DelegatePostParsingContext(), this.simpleFormatter);
+				string result = this.quotesParser.Parse(input).Format(CreateStubContext(), this.simpleFormatter);
 				return result;
 			}
 
 		}
 
+		private static BBCodes.IPostParsingContext CreateStubContext() {
+			return new DelegatePostParsingContext(user => {});
+		}
+
 		public static string UBBToIntermediate(BBCodes.IPostParsingContext context, string UBB) {
 			return BBParserGateway.instance.Parse(context, UBB);
 		}
 
 		public static string UBBToIntermediate(string UBB) {
-			return UBBToIntermediate(new DelegatePostParsingContext(), UBB);
+			return UBBToIntermediate(CreateStubContext(), UBB);
 		}
 
 		public static string ShallerToUBB(string shaller) {
diff --git a/FLocal.Common/dataobjects/Post.cs b/FLocal.Common/dataobjects/Post.cs
index 0387e04..dabc529 100644
--- a/FLocal.Common/dataobjects/Post.cs
+++ b/FLocal.Common/dataobjects/Post.cs
@@ -8,6 +8,7 @@ using Web.Core.DB;
 using Web.Core.DB.conditions;
 using FLocal.Common;
 using FLocal.Common.actions;
+using FLocal.Common.helpers;
 
 namespace FLocal.Common.dataobjects {
 	public class Post : SqlObject<Post> {
@@ -337,7 +338,10 @@ namespace FLocal.Common.dataobjects {
 				if(parentPost != null && parentPost.poster.id != poster.id) {
 					newMentionedUsersIds.Add(parentPost.poster.id);
 				}
-				string newBodyIntermediate = UBBParser.UBBToIntermediate(newBody);
+				string newBodyIntermediate = UBBParser.UBBToIntermediate(
+					new DelegatePostParsingContext(mentionedUser => newMentionedUsersIds.Add(mentionedUser.id)),
+					newBody
+				);
 
 				List<AbstractChange> changes = new List<AbstractChange> {
 					new InsertChange(
diff --git a/FLocal.Common/dataobjects/Thread.cs b/FLocal.Common/dataobjects/Thread.cs
index 039f0f2..d07a26f 100644
--- a/FLocal.Common/dataobjects/Thread.cs
+++ b/FLocal.Common/dataobjects/Thread.cs
@@ -7,6 +7,7 @@ using Web.Core;
 using Web.Core.DB;
 using Web.Core.DB.conditions;
 using FLocal.Common.actions;
+using FLocal.Common.helpers;
 
 namespace FLocal.Common.dataobjects {
 	public class Thread : SqlObject<Thread> {
@@ -420,7 +421,10 @@ namespace FLocal.Common.dataobjects {
 				//dirty hack
 				bodyIntermediate = body;
 			} else {
-				bodyIntermediate = UBBParser.UBBToIntermediate(body);
+				bodyIntermediate = UBBParser.UBBToIntermediate(
+					new DelegatePostParsingContext(mentionedUser => mentionedUsersIds.Add(mentionedUser.id)),
+					body
+				);
 			}
 			var postInsertData = new Dictionary<string,AbstractFieldValue> {
 				{ Post.TableSpec.FIELD_THREADID, new ScalarFieldValue(threadId.ToString()) },
diff --git a/FLocal.Common/helpers/DelegatePostParsingContext.cs b/FLocal.Common/helpers/DelegatePostParsingContext.cs
index 9116f52..4036e6f 100644
--- a/FLocal.Common/helpers/DelegatePostParsingContext.cs
+++ b/FLocal.Common/helpers/DelegatePostParsingContext.cs
@@ -3,9 +3,23 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using FLocal.Common.dataobjects;
-using FLocal.Common.BBCodes;
 
 namespace FLocal.Common.helpers {
-	class DelegatePostParsingContext : IPostParsingContext {
+	class DelegatePostParsingContext : BBCodes.IPostParsingContext {
+
+		private readonly Action<User> onUserMention;
+
+		public DelegatePostParsingContext(Action<User> onUserMention) {
+			this.onUserMention = onUserMention;
+		}
+
+		#region IPostParsingContext Members
+
+		public void OnUserMention(User user) {
+			this.onUserMention(user);
+		}
+
+		#endregion
+
 	}
 }