1 files changed, 1 insertions, 0 deletions
diff --git a/Swift/QtUI/QtChatWindow.cpp b/Swift/QtUI/QtChatWindow.cpp
index 10daa68..7e47f4d 100644
--- a/Swift/QtUI/QtChatWindow.cpp
+++ b/Swift/QtUI/QtChatWindow.cpp
@@ -335,18 +335,19 @@ void QtChatWindow::setSecurityLabelsEnabled(bool enabled) {
 	}
 }
 
 void QtChatWindow::setCorrectionEnabled(Tristate enabled) {
 	correctionEnabled_ = enabled;
 }
 
 SecurityLabelsCatalog::Item QtChatWindow::getSelectedSecurityLabel() {
 	assert(labelsWidget_->isEnabled());
+	assert(labelsWidget_->currentIndex() >= 0 && labelsWidget_->currentIndex() < availableLabels_.size());
 	return availableLabels_[labelsWidget_->currentIndex()];
 }
 
 void QtChatWindow::closeEvent(QCloseEvent* event) {
 	event->accept();
 	emit windowClosing();
 	onClosed();
 }