diff --git a/src/knutnewupsdlg.cpp b/src/knutnewupsdlg.cpp
index 631f5df..c83e877 100644
--- a/src/knutnewupsdlg.cpp
+++ b/src/knutnewupsdlg.cpp
@@ -125,6 +125,9 @@ KNutNewUpsDlg::KNutNewUpsDlg (KNutUpsData* const upsData, KNutVarData* const ana
   m_upsValueSelector->setAvailableInsertionPolicy(KActionSelector::Sorted);
   m_upsValueSelector->setSelectedInsertionPolicy(KActionSelector::AtBottom);
 
+  m_upsValueSelector->availableListBox()->setSelectionMode(TQListBox::Multi);
+  m_upsValueSelector->selectedListBox()->setSelectionMode(TQListBox::Multi);
+
   hActionSelectorLayout->addSpacing(10);
   hActionSelectorLayout->addWidget(m_upsValueSelector);
   hActionSelectorLayout->addSpacing(10);