diff --git a/src/gui/Clipboard.cpp b/src/gui/Clipboard.cpp
index d4f34a187..698ca893e 100644
--- a/src/gui/Clipboard.cpp
+++ b/src/gui/Clipboard.cpp
@@ -31,7 +31,7 @@ Clipboard::Clipboard(QObject* parent)
 {
     m_timer->setSingleShot(true);
     connect(m_timer, SIGNAL(timeout()), SLOT(clearClipboard()));
-    connect(qApp, SIGNAL(aboutToQuit()), SLOT(cleanup()));
+    connect(qApp, SIGNAL(aboutToQuit()), SLOT(clearCopiedText()));
 }
 
 void Clipboard::setText(const QString& text)
@@ -52,6 +52,14 @@ void Clipboard::setText(const QString& text)
     }
 }
 
+void Clipboard::clearCopiedText()
+{
+    if (m_timer->isActive()) {
+        m_timer->stop();
+        clearClipboard();
+    }
+}
+
 void Clipboard::clearClipboard()
 {
     QClipboard* clipboard = QApplication::clipboard();
@@ -73,14 +81,6 @@ void Clipboard::clearClipboard()
     m_lastCopied.clear();
 }
 
-void Clipboard::cleanup()
-{
-    if (m_timer->isActive()) {
-        m_timer->stop();
-        clearClipboard();
-    }
-}
-
 Clipboard* Clipboard::instance()
 {
     if (!m_instance) {
diff --git a/src/gui/Clipboard.h b/src/gui/Clipboard.h
index 8b6ea69f5..8c234a2c5 100644
--- a/src/gui/Clipboard.h
+++ b/src/gui/Clipboard.h
@@ -33,9 +33,11 @@ public:
 
     static Clipboard* instance();
 
+public Q_SLOTS:
+    void clearCopiedText();
+
 private Q_SLOTS:
     void clearClipboard();
-    void cleanup();
 
 private:
     explicit Clipboard(QObject* parent = Q_NULLPTR);
diff --git a/src/gui/DatabaseTabWidget.cpp b/src/gui/DatabaseTabWidget.cpp
index 4c957a27f..3d03093d7 100644
--- a/src/gui/DatabaseTabWidget.cpp
+++ b/src/gui/DatabaseTabWidget.cpp
@@ -27,6 +27,7 @@
 #include "core/Metadata.h"
 #include "core/qsavefile.h"
 #include "format/CsvExporter.h"
+#include "gui/Clipboard.h"
 #include "gui/DatabaseWidget.h"
 #include "gui/DatabaseWidgetStateSync.h"
 #include "gui/DragTabBar.h"
@@ -632,6 +633,8 @@ bool DatabaseTabWidget::hasLockableDatabases() const
 
 void DatabaseTabWidget::lockDatabases()
 {
+    clipboard()->clearCopiedText();
+
     for (int i = 0; i < count(); i++) {
         DatabaseWidget* dbWidget = static_cast<DatabaseWidget*>(widget(i));
         Database* db = databaseFromDatabaseWidget(dbWidget);