diff --git a/binaries/data/mods/public/maps/random/unknown.js b/binaries/data/mods/public/maps/random/unknown.js
index b28100ee70..afed7e918f 100644
--- a/binaries/data/mods/public/maps/random/unknown.js
+++ b/binaries/data/mods/public/maps/random/unknown.js
@@ -452,7 +452,7 @@ export function* generateMap(mapSettings)
 					]);
 			}
 
-			if (!isNomad && lake && randBool(2/3))
+			if (!mapSettings.Nomad && lake && randBool(2/3))
 			{
 				g_Map.log("Creating small central island");
 				createArea(