diff --git a/src/gui/DatabaseWidget.cpp b/src/gui/DatabaseWidget.cpp
index aedad473..57f84577 100644
--- a/src/gui/DatabaseWidget.cpp
+++ b/src/gui/DatabaseWidget.cpp
@@ -491,6 +491,7 @@ void DatabaseWidget::unlockDatabase(bool accepted)
 {
     // cancel button is disabled
     Q_ASSERT(accepted);
+    Q_UNUSED(accepted);
 
     setCurrentWidget(widgetBeforeLock);
     Q_EMIT unlockedDatabase();