diff --git a/components_digs.lua b/components_digs.lua
index 22a4541..a179a10 100644
--- a/components_digs.lua
+++ b/components_digs.lua
@@ -36,9 +36,7 @@ modComponents.addDrops("components:bioresin", 5, 'default:jungletree') -- rarity
 -- Dig 'components:quartzo_crystal_pink' in 'default:gravel'
 modComponents.addDrops("components:quartzo_crystal_pink", 20, 'default:gravel') -- rarity:20 = 1/20 = 05%
 
-if minetest.global_exists(unified_inventory) 
-   and minetest.global_exists(unified_inventory.add_category_items)
-then
+if minetest.global_exists("unified_inventory") then
 	unified_inventory.add_category_items('plants', {"components:bioresin"})
 	unified_inventory.add_category_items('minerals', {"components:quartzo_crystal_pink"})
 end