diff --git a/mods/ITEMS/REDSTONE/mcl_observers/init.lua b/mods/ITEMS/REDSTONE/mcl_observers/init.lua
index 905ff9695..81c018016 100644
--- a/mods/ITEMS/REDSTONE/mcl_observers/init.lua
+++ b/mods/ITEMS/REDSTONE/mcl_observers/init.lua
@@ -4,7 +4,7 @@ mcl_observers = {}
 
 local string = string
 
-local get_node = get_node
+local get_node = minetest.get_node
 
 -- Warning! TODO: Remove this message.
 -- 'realtime' is experimental feature! It can slow down the everything!