diff --git a/OpenRA.Game/Map/Map.cs b/OpenRA.Game/Map/Map.cs
index 95d540db49..d8fb0c38af 100644
--- a/OpenRA.Game/Map/Map.cs
+++ b/OpenRA.Game/Map/Map.cs
@@ -312,6 +312,7 @@ namespace OpenRA
 				"Title",
 				"Description",
 				"Author",
+				"PreviewVideo",
 				"Tileset",
 				"MapSize",
 				"Bounds",