diff --git a/src/osx/cocoa/dataview.mm b/src/osx/cocoa/dataview.mm
index 83b3fd9343..23b0a2511e 100644
--- a/src/osx/cocoa/dataview.mm
+++ b/src/osx/cocoa/dataview.mm
@@ -652,9 +652,12 @@ outlineView:(NSOutlineView*)outlineView
     for (NSUInteger i=0; i<noOfDescriptors; ++i)
     {
         NSSortDescriptor* const newDescriptor = [newDescriptors objectAtIndex:i];
+        wxDataViewColumn* const sortingColumn = dvc->GetColumn([[newDescriptor key] intValue]);
+
+        sortingColumn->SetSortOrderVariable([newDescriptor ascending]);
 
         [wxSortDescriptors addObject:[[[wxSortDescriptorObject alloc] initWithModelPtr:model
-            sortingColumnPtr:dvc->GetColumn([[newDescriptor key] intValue])
+            sortingColumnPtr:sortingColumn
             ascending:[newDescriptor ascending]] autorelease]];
     }
     [(wxCocoaOutlineDataSource*)[outlineView dataSource] setSortDescriptors:wxSortDescriptors];