diff --git a/OpenRA.Game/Widgets/ButtonWidget.cs b/OpenRA.Game/Widgets/ButtonWidget.cs
index 771cfd9e0d..06f28c2879 100644
--- a/OpenRA.Game/Widgets/ButtonWidget.cs
+++ b/OpenRA.Game/Widgets/ButtonWidget.cs
@@ -46,6 +46,9 @@ namespace OpenRA.Widgets
 
 		public override bool HandleInputInner(MouseInput mi)
 		{
+			if (mi.Button != MouseButton.Left)
+				return false;
+			
 			if (mi.Event == MouseInputEvent.Down && !TakeFocus(mi))
 				return false;
 
diff --git a/OpenRA.Game/Widgets/CheckboxWidget.cs b/OpenRA.Game/Widgets/CheckboxWidget.cs
index afd0784a1d..28763a1b4d 100644
--- a/OpenRA.Game/Widgets/CheckboxWidget.cs
+++ b/OpenRA.Game/Widgets/CheckboxWidget.cs
@@ -41,7 +41,10 @@ namespace OpenRA.Widgets
 					new float2(rect.Left + 2, rect.Top + 2));
 		}
 
-		public override bool HandleInputInner(MouseInput mi) { return true; }
+		public override bool HandleInputInner(MouseInput mi)
+		{
+			return mi.Button == MouseButton.Left;
+		}
 
 		public CheckboxWidget() : base() { }
 
diff --git a/OpenRA.Game/Widgets/ScrollPanelWidget.cs b/OpenRA.Game/Widgets/ScrollPanelWidget.cs
index 22a574612e..f39f805e3e 100644
--- a/OpenRA.Game/Widgets/ScrollPanelWidget.cs
+++ b/OpenRA.Game/Widgets/ScrollPanelWidget.cs
@@ -127,6 +127,9 @@ namespace OpenRA.Widgets
 		int2 lastMouseLocation;
 		public override bool HandleInputInner(MouseInput mi)
 		{						
+			if (mi.Button != MouseButton.Left)
+				return false;
+			
 			if (mi.Event == MouseInputEvent.Down && !TakeFocus(mi))
 				return false;
 			
diff --git a/OpenRA.Game/Widgets/SliderWidget.cs b/OpenRA.Game/Widgets/SliderWidget.cs
index 2897d565ae..79bb2c2d0e 100755
--- a/OpenRA.Game/Widgets/SliderWidget.cs
+++ b/OpenRA.Game/Widgets/SliderWidget.cs
@@ -65,6 +65,9 @@ namespace OpenRA.Widgets
 
 		public override bool HandleInputInner(MouseInput mi)
 		{
+			if (mi.Button != MouseButton.Left)
+				return false;
+			
 			if (mi.Event == MouseInputEvent.Down && !TakeFocus(mi))
 				return false;
 
diff --git a/OpenRA.Mods.RA/Widgets/Delegates/MapChooserDelegate.cs b/OpenRA.Mods.RA/Widgets/Delegates/MapChooserDelegate.cs
index fa0bbdfac3..bf5cd50fb7 100644
--- a/OpenRA.Mods.RA/Widgets/Delegates/MapChooserDelegate.cs
+++ b/OpenRA.Mods.RA/Widgets/Delegates/MapChooserDelegate.cs
@@ -64,7 +64,7 @@ namespace OpenRA.Mods.RA.Widgets.Delegates
 				var template = itemTemplate.Clone() as ContainerWidget;
 				template.Id = "MAP_{0}".F(map.Uid);
 				template.GetBackground = () => ((Map == map) ? "dialog2" : null);
-				template.OnMouseDown = mi => { Map = map; return true; };
+				template.OnMouseDown = mi => { if (mi.Button != MouseButton.Left) return false;  Map = map; return true; };
 				template.IsVisible = () => true;
 				template.GetWidget<LabelWidget>("TITLE").GetText = () => "   " + map.Title;
 				template.GetWidget<LabelWidget>("TYPE").GetText = () => map.Type + "   ";
diff --git a/OpenRA.Mods.RA/Widgets/Delegates/MusicPlayerDelegate.cs b/OpenRA.Mods.RA/Widgets/Delegates/MusicPlayerDelegate.cs
index 1809c8e186..f9434f589d 100644
--- a/OpenRA.Mods.RA/Widgets/Delegates/MusicPlayerDelegate.cs
+++ b/OpenRA.Mods.RA/Widgets/Delegates/MusicPlayerDelegate.cs
@@ -117,6 +117,7 @@ namespace OpenRA.Mods.RA.Widgets.Delegates
 				template.GetBackground = () => ((song == CurrentSong) ? "dialog2" : null);
 				template.OnMouseDown = mi =>
 				{
+					if (mi.Button != MouseButton.Left) return false;
 					CurrentSong = song;
 					bg.GetWidget("BUTTON_PLAY").OnMouseUp(mi);
 					return true;
diff --git a/OpenRA.Mods.RA/Widgets/Delegates/ReplayBrowserDelegate.cs b/OpenRA.Mods.RA/Widgets/Delegates/ReplayBrowserDelegate.cs
index b8584bdc53..249a87aac7 100644
--- a/OpenRA.Mods.RA/Widgets/Delegates/ReplayBrowserDelegate.cs
+++ b/OpenRA.Mods.RA/Widgets/Delegates/ReplayBrowserDelegate.cs
@@ -104,7 +104,7 @@ namespace OpenRA.Mods.RA.Widgets.Delegates
 			entry.Id = "REPLAY_";
 			entry.GetText = () => "   {0}".F(Path.GetFileName(filename));
 			entry.GetBackground = () => (CurrentReplay == filename) ? "dialog2" : null;
-			entry.OnMouseDown = mi => { CurrentReplay = filename; return true; };
+			entry.OnMouseDown = mi => { if (mi.Button != MouseButton.Left) return false; CurrentReplay = filename; return true; };
 			entry.IsVisible = () => true;
 			list.AddChild(entry);
 		}
diff --git a/OpenRA.Mods.RA/Widgets/Delegates/ServerBrowserDelegate.cs b/OpenRA.Mods.RA/Widgets/Delegates/ServerBrowserDelegate.cs
index 1c3d546886..560a09218b 100644
--- a/OpenRA.Mods.RA/Widgets/Delegates/ServerBrowserDelegate.cs
+++ b/OpenRA.Mods.RA/Widgets/Delegates/ServerBrowserDelegate.cs
@@ -171,7 +171,7 @@ namespace OpenRA.Mods.RA.Widgets.Delegates
 						game.Name,
 						game.Address);
 				template.GetBackground = () => (currentServer == game) ? "dialog2" : null;
-				template.OnMouseDown = mi => { currentServer = game; return true; };
+				template.OnMouseDown = mi => { if (mi.Button != MouseButton.Left) return false; currentServer = game; return true; };
 				template.IsVisible = () => true;
 				sl.AddChild(template);
 
diff --git a/OpenRA.Mods.RA/Widgets/Delegates/VideoPlayerDelegate.cs b/OpenRA.Mods.RA/Widgets/Delegates/VideoPlayerDelegate.cs
index 503d6fba47..e38df3bbcb 100644
--- a/OpenRA.Mods.RA/Widgets/Delegates/VideoPlayerDelegate.cs
+++ b/OpenRA.Mods.RA/Widgets/Delegates/VideoPlayerDelegate.cs
@@ -74,6 +74,7 @@ namespace OpenRA.Mods.RA.Widgets.Delegates
 				template.GetBackground = () => ((video == Selected) ? "dialog2" : null);
 				template.OnMouseDown = mi =>
 				{
+					if (mi.Button != MouseButton.Left) return false;
 					Selected = video;
 					player.Load(video);
 					return true;