diff --git a/source/main.pas b/source/main.pas
index d7c4213f..2e488327 100644
--- a/source/main.pas
+++ b/source/main.pas
@@ -4333,7 +4333,7 @@ begin
           and ((ColLen > GRIDMAXDATA) or (ColLen = 0)) // No need to blow SQL with LEFT() if column is shorter anyway
           then begin
             case DBObj.Connection.Parameters.NetTypeGroup of
-              ngMSSQL: Select := Select + ' LEFT(CAST(' + DBObj.Connection.QuoteIdent(c.Name) + ' AS VARCHAR('+IntToStr(GRIDMAXDATA)+')), ' + IntToStr(GRIDMAXDATA) + '), ';
+              ngMSSQL: Select := Select + ' LEFT(CAST(' + DBObj.Connection.QuoteIdent(c.Name) + ' AS NVARCHAR('+IntToStr(GRIDMAXDATA)+')), ' + IntToStr(GRIDMAXDATA) + '), ';
               ngMySQL: Select := Select + ' LEFT(' + DBObj.Connection.QuoteIdent(c.Name) + ', ' + IntToStr(GRIDMAXDATA) + '), ';
             end;
           end else