diff --git a/src/ejabberd_ctl.erl b/src/ejabberd_ctl.erl
index 0cee03357..97ff9406f 100644
--- a/src/ejabberd_ctl.erl
+++ b/src/ejabberd_ctl.erl
@@ -751,11 +751,11 @@ print_usage_command(Cmd, C, MaxC, ShCode) ->
     ?PRINT(["\n", NameFmt, "\n", ArgsFmt, "\n", ReturnsFmt, "\n\n", XmlrpcFmt, TagsFmt, "\n\n", DescFmt, "\n\n", LongDescFmt, NoteEjabberdctl], []).
 
 format_usage_ctype(Type, _Indentation)
-  when (Type==atom) or (Type==integer) or (Type==string) or (Type==rescode) or (Type==restuple)->
+  when (Type==atom) or (Type==integer) or (Type==string) or (Type==binary) or (Type==rescode) or (Type==restuple)->
     io_lib:format("~p", [Type]);
 
 format_usage_ctype({Name, Type}, _Indentation)
-  when (Type==atom) or (Type==integer) or (Type==string) or (Type==rescode) or (Type==restuple)->
+  when (Type==atom) or (Type==integer) or (Type==string) or (Type==binary) or (Type==rescode) or (Type==restuple)->
     io_lib:format("~p::~p", [Name, Type]);
 
 format_usage_ctype({Name, {list, ElementDef}}, Indentation) ->