diff --git a/OpenRA.FileFormats/MiniYaml.cs b/OpenRA.FileFormats/MiniYaml.cs
index 965f8e362e..4aed94cfdd 100755
--- a/OpenRA.FileFormats/MiniYaml.cs
+++ b/OpenRA.FileFormats/MiniYaml.cs
@@ -93,7 +93,7 @@ namespace OpenRA.FileFormats
 				foreach (var y in Nodes)
 				{
 					if (ret.ContainsKey(y.Key))
-						throw new InvalidDataException("Duplicate key `{0}' in MiniYaml".F(y.Key));
+						throw new InvalidDataException("Duplicate key `{0}' in {1}".F(y.Key, y.Location));
 					ret.Add(y.Key, y.Value);
 				}
 
diff --git a/OpenRA.Game/Widgets/WidgetLoader.cs b/OpenRA.Game/Widgets/WidgetLoader.cs
index 0d168e2c3f..12e7604959 100644
--- a/OpenRA.Game/Widgets/WidgetLoader.cs
+++ b/OpenRA.Game/Widgets/WidgetLoader.cs
@@ -20,15 +20,15 @@ namespace OpenRA
 	{
 		Dictionary<string, MiniYamlNode> widgets = new Dictionary<string, MiniYamlNode>();
 
-		public WidgetLoader( ModData modData )
+		public WidgetLoader(ModData modData)
 		{
-			foreach( var file in modData.Manifest.ChromeLayout.Select( a => MiniYaml.FromFile( a ) ) )
+			foreach (var file in modData.Manifest.ChromeLayout.Select(a => MiniYaml.FromFile(a)))
 				foreach( var w in file )
 				{
-					var key = w.Key.Substring( w.Key.IndexOf( '@' ) + 1 );
+					var key = w.Key.Substring( w.Key.IndexOf('@') + 1);
 					if (widgets.ContainsKey(key))
-						throw new InvalidDataException("Widget has duplicate Key `{0}`".F(w.Key));
-					widgets.Add( key, w );
+						throw new InvalidDataException("Widget has duplicate Key `{0}` at {1}".F(w.Key, w.Location));
+					widgets.Add(key, w);
 				}
 		}