diff --git a/data/lua/cave_map_generator.lua b/data/lua/cave_map_generator.lua
index ca2e33f64047..3ee9419e504c 100644
--- a/data/lua/cave_map_generator.lua
+++ b/data/lua/cave_map_generator.lua
@@ -30,9 +30,9 @@ function callbacks.generate_map(params)
 		end
 		local r = random(1000)
 		if r <= params.village_density then
-			map:set_tile(x, y, params.terrain_village)
+			map:set_tile(x, y, helper.rand(params.terrain_village))
 		else
-			map:set_tile(x, y, params.terrain_clear)
+			map:set_tile(x, y, helper.rand(params.terrain_clear))
 		end
 	end