diff --git a/mods/ITEMS/mcl_shields/init.lua b/mods/ITEMS/mcl_shields/init.lua
index 6fc7f3466..d8e6f679a 100644
--- a/mods/ITEMS/mcl_shields/init.lua
+++ b/mods/ITEMS/mcl_shields/init.lua
@@ -256,7 +256,7 @@ local function is_node_stack(itemstack)
 end
 
 local function is_rmb_conflicting_node(nodename)
-	nodedef = minetest.registered_nodes[nodename]
+	local nodedef = minetest.registered_nodes[nodename]
 	return nodedef.on_rightclick
 end