diff --git a/code/modules/power/power.dm b/code/modules/power/power.dm
index e878bdd3efe..d9cfa042f35 100644
--- a/code/modules/power/power.dm
+++ b/code/modules/power/power.dm
@@ -170,7 +170,7 @@
 
 
 /proc/powernet_nextlink(var/obj/O, var/datum/powernet/PN)
-	var/list/P
+	var/list/P = list()
 
 	while(1)
 		if( istype(O,/obj/structure/cable) )