--- goblin_traps.lua.orig	2016-08-12 10:48:42.000000000 -0700
+++ goblin_traps.lua	2016-08-12 10:49:07.683792914 -0700
@@ -318,6 +318,8 @@
 else
 	print("enable_tnt ~= true")
 end
+
+local singleplayer = minetest.is_singleplayer()
 if (not singleplayer and setting ~= true) or (singleplayer and setting == false) then
 	-- wimpier trap for non-tnt settings
 	minetest.register_abm({