diff --git a/init.lua b/init.lua
index a411665..1f6ae40 100644
--- a/init.lua
+++ b/init.lua
@@ -10,6 +10,7 @@ local unified_inventory_modpath = minetest.get_modpath("unified_inventory")
 local sfinv_buttons_modpath = minetest.get_modpath("sfinv_buttons")
 local sfinv_modpath = minetest.get_modpath("sfinv")
 local mcl_books_modpath = minetest.get_modpath("mcl_books")
+local mcl_formspec_modpath = minetest.get_modpath("mcl_formspec")
 
 local modstore = minetest.get_mod_storage()
 
@@ -47,7 +48,7 @@ elseif mcl_books_modpath then
 end
 
 local mcl_formspec_itemslot
-if mcl_formspec then
+if mcl_formspec_modpath then
 	mcl_formspec_itemslot = mcl_formspec.get_itemslot_bg
 end
 
@@ -816,4 +817,4 @@ end
 			
 personal_log.add_general_entry = function(player_name, content, general_topic)
 	add_entry_for_player(player_name, GENERAL_CATEGORY, content, general_topic)
-end
\ No newline at end of file
+end