Index: main/cli.c
===================================================================
--- main/cli.c	(revision 89965)
+++ main/cli.c	(working copy)
@@ -1725,6 +1725,8 @@
 	if (lock)
 		AST_RWLIST_RDLOCK(&helpers);
 	while ( (e = cli_next(e)) ) {
+		if (e->command[0] == '_')
+			continue;
 		/* XXX repeated code */
 		int src = 0, dst = 0, n = 0;