diff --git a/gajim/gtk/start_chat.py b/gajim/gtk/start_chat.py
index 25ef36fbcc92323da461b3ca411c7626ac5c12e7..86b16e9655a01c2853b447e37913c32f1ed8aefe 100644
--- a/gajim/gtk/start_chat.py
+++ b/gajim/gtk/start_chat.py
@@ -98,7 +98,7 @@ def add_contacts(self):
             for jid in app.contacts.get_jid_list(account):
                 contact = app.contacts.get_contact_with_highest_priority(
                     account, jid)
-                if contact.is_groupchat():
+                if contact.is_groupchat:
                     continue
                 row = ContactRow(account, contact, jid,
                                  contact.get_shown_name(), show_account)