diff --git a/code/modules/admin/verbs/debug.dm b/code/modules/admin/verbs/debug.dm
index 699facbd3de..84713f38b7a 100644
--- a/code/modules/admin/verbs/debug.dm
+++ b/code/modules/admin/verbs/debug.dm
@@ -171,7 +171,9 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 
 	var/class = null
 	var/returnval = null
-	var/procname = input("Procpath (e.g. just \"update\" for lights)","path:", null)
+	var/procname = input("Procpath (e.g. just \"update\" for lights)","path:", null) as null|text
+
+	if(!procname || procname == "") return
 
 	var/argNum = input("Number of arguments:","Number",null) as num //input("Arguments","Arguments:", null)
 	var/list/argL = new/list()