diff --git a/code/modules/admin/verbs/debug.dm b/code/modules/admin/verbs/debug.dm
index 8aeaf7728c7..454fc9ea048 100644
--- a/code/modules/admin/verbs/debug.dm
+++ b/code/modules/admin/verbs/debug.dm
@@ -185,7 +185,10 @@ GLOBAL_PROTECT(AdminProcCallSpamPrevention)
 
 /client/proc/get_callproc_args()
 	var/argnum = input("Number of arguments","Number:",0) as num|null
-	if(!argnum && (argnum!=0))	return
+	if(argnum <= 0)
+		return list() // to allow for calling with 0 args
+
+	argnum = clamp(argnum, 1, 50)
 
 	var/list/lst = list()
 	//TODO: make a list to store whether each argument was initialised as null.