diff --git a/coal_power_station/boiler_top.lua b/coal_power_station/boiler_top.lua
index 54b6a53..5a51243 100644
--- a/coal_power_station/boiler_top.lua
+++ b/coal_power_station/boiler_top.lua
@@ -274,6 +274,9 @@ techage.register_node({"techage:coalboiler_top"}, {
 		if topic == "trigger" then
 			local mem = tubelib2.get_mem(pos)
 			mem.fire_trigger = true
+			if not minetest.get_node_timer(pos):is_started() then
+				minetest.get_node_timer(pos):start(CYCLE_TIME)
+			end
 			if mem.running then
 				mem.power_ratio = transfer(pos, topic, payload)
 				return mem.power_ratio