diff --git a/init.lua b/init.lua
index ce62834..2bb9f8d 100644
--- a/init.lua
+++ b/init.lua
@@ -1,7 +1,7 @@
 
 mtul.b3d = {}
 
-local modpath = minetest.get_modpath("MTUL-b3d")
+local modpath = minetest.get_modpath("mtul_b3d")
 dofile(modpath.."/read_b3d.lua")
 dofile(modpath.."/write_b3d.lua")
 --these modules are disabled, refactoring is needed.