diff --git a/app/__init__.py b/app/__init__.py
index 0a216bf..9087e5b 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -131,6 +131,14 @@ def get_locale():
 
 	locale = request.cookies.get("locale")
 	if locale in locales:
+		if current_user.is_authenticated:
+			new_session = models.db.create_session({})()
+			new_session.query(models.User) \
+				.filter(models.User.username == current_user.username) \
+				.update({ "locale": locale })
+			new_session.commit()
+			new_session.close()
+
 		return locale
 
 	return request.accept_languages.best_match(locales)