diff --git a/src/commands/eimap_command_capability.erl b/src/commands/eimap_command_capability.erl
index 8f9d12e..a1b50c9 100644
--- a/src/commands/eimap_command_capability.erl
+++ b/src/commands/eimap_command_capability.erl
@@ -1,50 +1,50 @@
 %% Copyright 2015 Kolab Systems AG (http://www.kolabsys.com)
 %%
 %% Aaron Seigo (Kolab Systems) <seigo a kolabsys.com>
 %%
 %% This program is free software: you can redistribute it and/or modify
 %% it under the terms of the GNU Library General Public License as published by
 %% the Free Software Foundation, either version 3 of the License, or
 %% (at your option) any later version.
 %%
 %% This program is distributed in the hope that it will be useful,
 %% but WITHOUT ANY WARRANTY; without even the implied warranty of
 %% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 %% GNU Library General Public License for more details.
 %%
 %% You should have received a copy of the GNU Library General Public License
 %% along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 -module(eimap_command_capability).
 -behavior(eimap_command).
 -export([new_command/1, process_line/2, formulate_response/2]).
 
 %% http://tools.ietf.org/html/rfc2342
 
 %% Public API
 new_command(parse_serverid) -> { <<"CAPABILITY">>, single_line_response };
 new_command(_Args) -> { <<"CAPABILITY">>, multiline_response }.
 
-process_line(<<"* CAPABILITY ", Data/binary>>, Acc) ->
-    [Data|Acc];
+process_line(<<"* CAPABILITY ", Data/binary>>, _Acc) ->
+    [Data];
 process_line(_Data, Acc) -> Acc.
 
 formulate_response(ok, Response) -> { fini, Response };
 formulate_response({ _, Reason }, _Data) -> { error, Reason };
 formulate_response(Data, Tag) -> parse_oneliner(eimap_utils:check_response_for_failure(Data, Tag),
                                                 eimap_utils:remove_tag_from_response(Data, Tag, check)).
 
 %% Private API
 % TODO: probably way too cyrus imap specific on the responses (capitalization, etc)
 % make generic with a nicer parser
 parse_oneliner(ok, <<"* OK [CAPABILITY ", Data/binary>>) ->
     % this is a server response on connect
     { End, _ } = binary:match(Data, <<"]">>),
     { TextEnd, _ } = binary:match(Data, <<"\r\n">>),
     Capabilities = binary:part(Data, { 0, End }),
     ServerID = binary:part(Data, { End + 2, TextEnd - End  - 2}),
     { fini, { Capabilities, ServerID } };
 parse_oneliner({ _, Reason }, _Data) -> { error, Reason };
 parse_oneliner(_, Data) -> { fini, Data }.