diff --git a/lib/thumbnailview/thumbnailview.h b/lib/thumbnailview/thumbnailview.h
--- a/lib/thumbnailview/thumbnailview.h
+++ b/lib/thumbnailview/thumbnailview.h
@@ -176,6 +176,8 @@
 
     void startDrag(Qt::DropActions) override;
 
+    void mousePressEvent(QMouseEvent*) override;
+
 protected Q_SLOTS:
     void rowsAboutToBeRemoved(const QModelIndex& parent, int start, int end) override;
     void rowsInserted(const QModelIndex& parent, int start, int end) override;
diff --git a/lib/thumbnailview/thumbnailview.cpp b/lib/thumbnailview/thumbnailview.cpp
--- a/lib/thumbnailview/thumbnailview.cpp
+++ b/lib/thumbnailview/thumbnailview.cpp
@@ -771,6 +771,17 @@
     }
 }
 
+void ThumbnailView::mousePressEvent(QMouseEvent* event)
+{
+    switch (event->button()) {
+    case Qt::ForwardButton:
+    case Qt::BackButton:
+        return;
+    default:
+        QListView::mousePressEvent(event);
+    }
+}
+
 void ThumbnailView::scrollToSelectedIndex()
 {
     QModelIndexList list = selectedIndexes();