Index: Source/NSTableView.m
===================================================================
@@ -6236,7 +6236,7 @@
 	  currentDragOperation = [_dataSource tableView: self
 					      validateDrop: sender
 					      proposedRow: currentDropRow
-					      proposedDropOperation: NSTableViewDropAbove];
+					      proposedDropOperation: currentDropOperation];
 	}
       
       lastQuarterPosition = quarterPosition;
