diff --git a/apps/efka/src/efka_micro_service_sup.erl b/apps/efka/src/efka_micro_service_sup.erl
index 70963fe..b003989 100644
--- a/apps/efka/src/efka_micro_service_sup.erl
+++ b/apps/efka/src/efka_micro_service_sup.erl
@@ -68,9 +68,9 @@ init([]) ->
 %%% Internal functions
 %%%===================================================================
 
--spec register_service(ServiceId :: binary()) -> {ok, Pid :: pid()} | {error, Reason :: any()}.
-register_service(ServiceId) when is_binary(ServiceId) ->
-    case supervisor:start_child(?MODULE, child_spec(ServiceId)) of
+-spec register_service(Service :: #micro_service{}) -> {ok, Pid :: pid()} | {error, Reason :: any()}.
+register_service(Service) ->
+    case supervisor:start_child(?MODULE, child_spec(Service)) of
         {ok, Pid} when is_pid(Pid) ->
             {ok, Pid};
         {error, {'already_started', Pid}} when is_pid(Pid) ->