diff --git a/lib/noosfero/api/session.rb b/lib/noosfero/api/session.rb
index ba6e958..20a6ec4 100644
--- a/lib/noosfero/api/session.rb
+++ b/lib/noosfero/api/session.rb
@@ -31,7 +31,7 @@ module Noosfero
       post "/login" do
         begin
           user ||= User.authenticate(params[:login], params[:password], environment)
-        rescue NoosferoExceptions::UserNotActivated => e
+        rescue User::UserNotActivated => e
           render_api_error!(e.message, 401)
         end
 
--
libgit2 0.21.2