diff --git a/code/game/machinery/spaceheater.dm b/code/game/machinery/spaceheater.dm
index 528a62f2798..dcf323c0c40 100644
--- a/code/game/machinery/spaceheater.dm
+++ b/code/game/machinery/spaceheater.dm
@@ -72,6 +72,7 @@
 
 /obj/machinery/space_heater/Destroy()
 	SSair.stop_processing_machine(src)
+	QDEL_NULL(cell)
 	return..()
 
 /obj/machinery/space_heater/on_construction()