diff --git a/mods/lzr_mapgen/init.lua b/mods/lzr_mapgen/init.lua
index df7c34b..29009f3 100644
--- a/mods/lzr_mapgen/init.lua
+++ b/mods/lzr_mapgen/init.lua
@@ -3,7 +3,7 @@
 local WATER_LEVEL = 0
 
 minetest.register_on_generated(function(minp, maxp)
-	if maxp.y >= WATER_LEVEL and minp.y <= WATER_LEVEL then
+	if minp.y <= WATER_LEVEL then
 		local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
 		local data = vm:get_data()
 		local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})