diff --git a/oml/user/api.py b/oml/user/api.py
index 6ecd50b..76525a9 100644
--- a/oml/user/api.py
+++ b/oml/user/api.py
@@ -97,6 +97,8 @@ def setPreferences(data):
         u.save()
     if change_username:
         add_record('editusername', data['username'])
+        if state.nodes and state.nodes.local:
+            state.nodes.local._update_if_ip_changed()
     if change_contact:
         add_record('editcontact', data['contact'])
     if change_path: