diff --git a/src/Discord.Net/Helpers/Mention.cs b/src/Discord.Net/Helpers/Mention.cs
index a857841b2..9d2ed7685 100644
--- a/src/Discord.Net/Helpers/Mention.cs
+++ b/src/Discord.Net/Helpers/Mention.cs
@@ -6,8 +6,8 @@ namespace Discord
 {
     public static class Mention
 	{
-		private static readonly Regex _userRegex = new Regex(@"<@(\d+?)>", RegexOptions.Compiled);
-		private static readonly Regex _channelRegex = new Regex(@"<#(\d+?)>", RegexOptions.Compiled);
+		private static readonly Regex _userRegex = new Regex(@"<@(?:\d+?)>", RegexOptions.Compiled);
+		private static readonly Regex _channelRegex = new Regex(@"<#(?:\d+?)>", RegexOptions.Compiled);
 
 		/// <summary> Returns the string used to create a user mention. </summary>
 		public static string User(User user)