diff --git a/code/FEA/FEA_system.dm b/code/FEA/FEA_system.dm
index fd723068d18..8189919da78 100644
--- a/code/FEA/FEA_system.dm
+++ b/code/FEA/FEA_system.dm
@@ -329,9 +329,8 @@ datum
 					AG.process_group()
 
 			process_singletons()
-				for(var/item in active_singletons)
-					if(!istype(item, /turf/space))
-						item:process_cell()
+				for(var/turf/simulated/T in active_singletons)
+					T.process_cell()
 
 			process_super_conductivity()
 				for(var/turf/simulated/hot_potato in active_super_conductivity)