diff --git a/src/gui/DatabaseOpenWidget.cpp b/src/gui/DatabaseOpenWidget.cpp
index 0e09b8108..3e007f882 100644
--- a/src/gui/DatabaseOpenWidget.cpp
+++ b/src/gui/DatabaseOpenWidget.cpp
@@ -301,6 +301,11 @@ QString DatabaseOpenWidget::filename()
 
 void DatabaseOpenWidget::enterKey(const QString& pw, const QString& keyFile)
 {
+    if (unlockingDatabase()) {
+        qWarning("Ignoring unlock request for %s because of running unlock action.", qPrintable(m_filename));
+        return;
+    }
+
     m_ui->editPassword->setText(pw);
     m_ui->keyFileLineEdit->setText(keyFile);
     m_blockQuickUnlock = true;