diff --git a/code/modules/atmospherics/machinery/datum_pipeline.dm b/code/modules/atmospherics/machinery/datum_pipeline.dm
index affd854247..350a08dce6 100644
--- a/code/modules/atmospherics/machinery/datum_pipeline.dm
+++ b/code/modules/atmospherics/machinery/datum_pipeline.dm
@@ -210,7 +210,7 @@
 
 /datum/pipeline/proc/empty()
 	for(var/datum/gas_mixture/GM in get_all_connected_airs())
-		GM.empty()
+		GM.clear()
 
 /datum/pipeline/proc/get_all_connected_airs()
 	var/list/datum/gas_mixture/GL = list()