diff --git a/init.lua b/init.lua
index 50ad29c..317edb6 100644
--- a/init.lua
+++ b/init.lua
@@ -169,7 +169,7 @@ minetest.register_node("backpacks:backpack_leather", {
 	allow_metadata_inventory_put = backpacks.allow_metadata_inventory_put,
 })
 
-if mobs and ( mobs.redo or mobs.mod == 'redo') then
+if minetest.global_exists("mobs") and ( mobs.redo or mobs.mod == 'redo') then
 	minetest.register_craft({
 		output = "backpacks:backpack_leather",
 		recipe = {