diff --git a/res/gamedata/TypeLists.txt b/res/gamedata/TypeLists.txt
index 0a973624aed..c537bb1b1a2 100644
--- a/res/gamedata/TypeLists.txt
+++ b/res/gamedata/TypeLists.txt
@@ -20,6 +20,7 @@ Mountain
 Forest
 [LandTypes]
 Desert
+Gate
 Lair
 Locus
 Mine