diff --git a/code/controllers/master_controller.dm b/code/controllers/master_controller.dm
index 78df2710c85..2024e8e0bf0 100644
--- a/code/controllers/master_controller.dm
+++ b/code/controllers/master_controller.dm
@@ -197,7 +197,7 @@ datum/controller/game_controller/proc/process()
 
 				//POWERNETS
 				timer = world.timeofday
-				process_powernets()
+				processPowernets()
 				powernets_cost = (world.timeofday - timer) / 10
 
 				sleep(breather_ticks)
@@ -291,16 +291,15 @@ datum/controller/game_controller/proc/process_pipenets()
 			continue
 		pipe_networks.Cut(i,i+1)
 
-datum/controller/game_controller/proc/process_powernets()
+/datum/controller/game_controller/proc/processPowernets()
 	last_thing_processed = /datum/powernet
-	var/i = 1
-	while(i<=powernets.len)
-		var/datum/powernet/Powernet = powernets[i]
-		if(Powernet)
+
+	for (var/datum/powernet/Powernet in powernets)
+		if (Powernet)
 			Powernet.reset()
-			i++
 			continue
-		powernets.Cut(i,i+1)
+
+		powernets = powernets - Powernet
 
 /datum/controller/game_controller/proc/processNano()
 	for (var/datum/nanoui/Nanoui in nanomanager.processing_uis)