diff --git a/code/modules/atmospherics/gasmixtures/gas_mixture.dm b/code/modules/atmospherics/gasmixtures/gas_mixture.dm
index 60dba541f3..a358c3e29c 100644
--- a/code/modules/atmospherics/gasmixtures/gas_mixture.dm
+++ b/code/modules/atmospherics/gasmixtures/gas_mixture.dm
@@ -68,7 +68,7 @@ GLOBAL_LIST_INIT(nonreactive_gases, typecacheof(list(/datum/gas/oxygen, /datum/g
 /datum/gas_mixture/proc/garbage_collect(list/tocheck)
 	var/list/cached_gases = gases
 	for(var/id in (tocheck || cached_gases))
-		if(cached_gases[id][MOLES] <= 0 && cached_gases[id][ARCHIVE] <= 0)
+		if(QUANTIZE(cached_gases[id][MOLES]) <= 0 && QUANTIZE(cached_gases[id][ARCHIVE]) <= 0)
 			cached_gases -= id
 
 	//PV = nRT