diff --git a/code/game/machinery/doors/windowdoor.dm b/code/game/machinery/doors/windowdoor.dm
index ba457e2685d..1d78e8b21b8 100644
--- a/code/game/machinery/doors/windowdoor.dm
+++ b/code/game/machinery/doors/windowdoor.dm
@@ -131,11 +131,12 @@
 		var/obj/item/weapon/airlock_electronics/ae
 		if(!electronics)
 			ae = new/obj/item/weapon/airlock_electronics( src.loc )
-			if(src.req_access.len)
-				ae.conf_access = src.req_access
-			else if (src.req_one_access.len)
-				ae.conf_access = src.req_one_access
-				ae.one_access = 1
+			if(src.req_access)
+				if(src.req_access.len)
+					ae.conf_access = src.req_access
+				else if (src.req_one_access.len)
+					ae.conf_access = src.req_one_access
+					ae.one_access = 1
 		else
 			ae = electronics
 			electronics = null