1 files changed, 1 insertions, 1 deletions
diff --git a/Swift/Controllers/Roster/RosterController.cpp b/Swift/Controllers/Roster/RosterController.cpp
index 706f50a..5b61abf 100644
--- a/Swift/Controllers/Roster/RosterController.cpp
+++ b/Swift/Controllers/Roster/RosterController.cpp
@@ -136,19 +136,19 @@ void RosterController::applyAllPresenceTo(const JID& jid) {
 
 void RosterController::handleRosterCleared() {
 	roster_->removeAll();
 }
 
 void RosterController::handleOnJIDRemoved(const JID& jid) {
 	roster_->removeContact(jid);
 }
 
-void RosterController::handleOnJIDUpdated(const JID& jid, const std::string& oldName, const std::vector<std::string> passedOldGroups) {
+void RosterController::handleOnJIDUpdated(const JID& jid, const std::string& oldName, const std::vector<std::string>& passedOldGroups) {
 	if (oldName != xmppRoster_->getNameForJID(jid)) {
 		roster_->applyOnItems(SetName(nickResolver_->jidToNick(jid), jid));
 	}
 	std::vector<std::string> groups = xmppRoster_->getGroupsForJID(jid);
 	std::vector<std::string> oldGroups = passedOldGroups;
 	std::string name = nickResolver_->jidToNick(jid);
 	std::string contactsGroup = QT_TRANSLATE_NOOP("", "Contacts");
 	if (oldGroups.empty()) {
 		oldGroups.push_back(contactsGroup);