diff --git a/components/rx/trunk/exsortzeos.pas b/components/rx/trunk/exsortzeos.pas
index f68a7e6fd..1d29dad8f 100644
--- a/components/rx/trunk/exsortzeos.pas
+++ b/components/rx/trunk/exsortzeos.pas
@@ -56,6 +56,10 @@ procedure TZeosDataSetSortEngine.Sort(FieldName: string; ADataSet: TDataSet;
   Asc: boolean; SortOptions: TRxSortEngineOptions);
 begin
   if not Assigned(ADataSet) then exit;
+
+  if Pos(' ', FieldName)>0 then
+    FieldName:='"'+FieldName+'"';
+
   if ADataSet is TZAbstractRODataset then
   begin
     TZAbstractRODataset(ADataSet).SortedFields:=FieldName;