--- a/mcabber/mcabber/commands.c	Sun Jul 06 14:51:14 2014 +0200
+++ b/mcabber/mcabber/commands.c	Sun Jul 06 14:51:17 2014 +0200
@@ -4078,7 +4078,9 @@
   } else if (!strcasecmp(arg, "compl_cancel")) {
     readline_cancel_completion();
   } else if (!strcasecmp(arg, "compl_do")) {
-    readline_do_completion();
+    readline_do_completion(TRUE);
+  } else if (!strcasecmp(arg, "compl_do_bwd")) {
+    readline_do_completion(FALSE);
   } else if (!strcasecmp(arg, "clear_history")) {
     readline_clear_history();
   } else {