diff --git a/OpenRA.Game/Game.cs b/OpenRA.Game/Game.cs
index 9f28d4bc7f..7fd0055914 100644
--- a/OpenRA.Game/Game.cs
+++ b/OpenRA.Game/Game.cs
@@ -9,6 +9,7 @@
 #endregion
 
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Drawing;
 using System.Drawing.Imaging;
@@ -255,9 +256,14 @@ namespace OpenRA
 
 		public static bool IsModInstalled(string modId)
 		{
-			return Manifest.AllMods[modId].RequiresMods.All(mod => ModMetadata.AllMods.ContainsKey(mod.Key)
+			return Manifest.AllMods[modId].RequiresMods.All(IsModInstalled);
+		}
+
+		public static bool IsModInstalled(KeyValuePair<string, string> mod)
+		{
+			return ModMetadata.AllMods.ContainsKey(mod.Key)
 				&& ModMetadata.AllMods[mod.Key].Version == mod.Value
-				&& IsModInstalled(mod.Key));
+				&& IsModInstalled(mod.Key);
 		}
 
 		public static void InitializeMod(string mod, Arguments args)
diff --git a/OpenRA.Mods.Common/Widgets/Logic/Installation/InstallModLogic.cs b/OpenRA.Mods.Common/Widgets/Logic/Installation/InstallModLogic.cs
index e89ee00cad..b918827bdb 100644
--- a/OpenRA.Mods.Common/Widgets/Logic/Installation/InstallModLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/Installation/InstallModLogic.cs
@@ -20,7 +20,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 		{
 			var panel = widget.Get("INSTALL_MOD_PANEL");
 
-			var mods = Manifest.AllMods[modId].RequiresMods.Select(x => "{0} ({1})".F(x.Key, x.Value));
+			var mods = Manifest.AllMods[modId].RequiresMods.Where(m => !Game.IsModInstalled(m)).Select(m => "{0} ({1})".F(m.Key, m.Value));
 			var text = string.Join(", ", mods);
 			panel.Get<LabelWidget>("MOD_LIST").Text = text;