diff --git a/code/game/machinery/Sleeper.dm b/code/game/machinery/Sleeper.dm
index bfe68d07e5..3f3bacc64f 100644
--- a/code/game/machinery/Sleeper.dm
+++ b/code/game/machinery/Sleeper.dm
@@ -36,7 +36,7 @@
 	RefreshParts()
 	add_inital_chems()
 
-/obj/machinery/sleeper/on_deconstruction(disassembled = TRUE)
+/obj/machinery/sleeper/on_deconstruction()
 	var/obj/item/reagent_containers/sleeper_buffer/buffer = new (loc)
 	buffer.volume = reagents.maximum_volume
 	buffer.reagents.maximum_volume = reagents.maximum_volume