diff --git a/OpenRA.Mods.Common/Widgets/Logic/Ingame/IngameChatLogic.cs b/OpenRA.Mods.Common/Widgets/Logic/Ingame/IngameChatLogic.cs
index 8e466525a419..0014ba1c6349 100644
--- a/OpenRA.Mods.Common/Widgets/Logic/Ingame/IngameChatLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/Ingame/IngameChatLogic.cs
@@ -69,8 +69,10 @@ public IngameChatLogic(Widget widget, OrderManager orderManager, World world, Mo
 			var teamMessage = modData.Translation.GetString(Team);
 			var allMessage = modData.Translation.GetString(All);
 
+			// Only execute this once, the first time this widget is loaded
 			if (TextNotificationsManager.MutedPlayers.Count == 0)
-				orderManager.LobbyInfo.Clients.ForEach((c) => TextNotificationsManager.MutedPlayers.Add(c.Index, false));
+				foreach (var c in orderManager.LobbyInfo.Clients)
+					TextNotificationsManager.MutedPlayers.Add(c.Index, false);
 
 			tabCompletion.Commands = chatTraits.OfType<ChatCommands>().ToArray().SelectMany(x => x.Commands.Keys);
 			tabCompletion.Names = orderManager.LobbyInfo.Clients.Select(c => c.Name).Distinct().ToList();