Bad call = gen_server shutdown?

[blaguehubert]

I wrote a gen_server module "repartiteur" with 2 functions : 
propose_link/1 and get_proposed_links/0.

It seems that if I call get_proposed_links with an argument (by 
mistake), it shutdowns the server...

Is this normal?

1> make:all([load]).
Recompile: chercheur.erl
Recompile: superviseur.erl
Recompile: repartiteur.erl
Recompile: search_engine.erl
up_to_date
2> repartiteur:start_link().
{ok,<0.52.0>}
3> repartiteur:propose_link("truc").
ok
4> repartiteur:get_proposed_links().
["truc"]
5> repartiteur:get_proposed_links().
["truc"]
6> repartiteur:get_proposed_links(1).
** exited: {undef,[{repartiteur,get_proposed_links,[1]},
                   {erl_eval,do_apply,5},
                   {shell,exprs,6},
                   {shell,eval_loop,3}]} **
7> repartiteur:get_proposed_links().
** exited: {noproc,{gen_server,call,
                               
[{global,repartiteur},{get_proposed_links}]}} **
8> repartiteur:start_link().         
{ok,<0.61.0>}
9> repartiteur:get_proposed_links().
[]
10>