diff --git a/interface/wx/dataview.h b/interface/wx/dataview.h
index 1bcdf86eb0..46a623fdb1 100644
--- a/interface/wx/dataview.h
+++ b/interface/wx/dataview.h
@@ -963,6 +963,10 @@ public:
 
     /**
         Select the given item.
+
+        In single selection mode this changes the (unique) currently selected
+        item. In multi selection mode, the @a item is selected and the
+        previously selected items remain selected.
     */
     virtual void Select(const wxDataViewItem& item);
 
diff --git a/src/osx/cocoa/dataview.mm b/src/osx/cocoa/dataview.mm
index 7de547f6ac..f8f8c38b02 100644
--- a/src/osx/cocoa/dataview.mm
+++ b/src/osx/cocoa/dataview.mm
@@ -2096,7 +2096,7 @@ void wxCocoaDataViewControl::Select(const wxDataViewItem& item)
 {
     if (item.IsOk())
         [m_OutlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:[m_OutlineView rowForItem:[m_DataSource getDataViewItemFromBuffer:item]]]
-            byExtendingSelection:NO];
+            byExtendingSelection:GetDataViewCtrl()->HasFlag(wxDV_MULTIPLE) ? YES : NO];
 }
 
 void wxCocoaDataViewControl::SelectAll()