diff --git a/ui/thumbnaillist.cpp b/ui/thumbnaillist.cpp
index a796ab9f6..334ce47e7 100644
--- a/ui/thumbnaillist.cpp
+++ b/ui/thumbnaillist.cpp
@@ -581,7 +581,7 @@ void ThumbnailWidget::mousePressEvent( QMouseEvent * e )
 {
     QRect r = m_visibleRect.geometry( m_pixmapWidth, m_pixmapHeight );
 
-    if ( r.contains( e->pos() ) )
+    if ( e->button() != Qt::RightButton && r.contains( e->pos() ) )
     {
         mouseGrabPos = e->pos();
     }