diff --git a/mesecons/actionqueue.lua b/mesecons/actionqueue.lua
index 66e9fd7..03dedd2 100644
--- a/mesecons/actionqueue.lua
+++ b/mesecons/actionqueue.lua
@@ -12,7 +12,6 @@ function mesecon.queue:add_action(pos, func, params, time, overwritecheck, prior
 	-- Create Action Table:
 	time = time or 0 -- time <= 0 --> execute, time > 0 --> wait time until execution
 	priority = priority or 1
-	overwritecheck = overwritecheck or {}
 	action = {	pos=mesecon:tablecopy(pos),
 			func=func,
 			params=mesecon:tablecopy(params),
diff --git a/mesecons/init.lua b/mesecons/init.lua
index 523263d..fe3bbfd 100644
--- a/mesecons/init.lua
+++ b/mesecons/init.lua
@@ -82,6 +82,7 @@ mesecon.queue:add_function("receptor_on", function (pos, rules)
 	-- if area (any of the rule targets) is not loaded, keep trying and call this again later
 	for _, rule in ipairs(mesecon:flattenrules(rules)) do
 		local np = mesecon:addPosRule(pos, rule)
+		-- if area is not loaded, keep trying
 		if minetest.get_node_or_nil(np) == nil then
 			mesecon.queue:add_action(pos, "receptor_on", {rules})
 			return
@@ -110,6 +111,7 @@ mesecon.queue:add_function("receptor_off", function (pos, rules)
 		local np = mesecon:addPosRule(pos, rule)
 		if minetest.get_node_or_nil(np) == nil then
 			mesecon.queue:add_action(pos, "receptor_off", {rules})
+			return
 		end
 	end