diff --git a/packages/fcl-db/tests/sqldbtoolsunit.pas b/packages/fcl-db/tests/sqldbtoolsunit.pas
index 72d53b3b2e..317a95897a 100644
--- a/packages/fcl-db/tests/sqldbtoolsunit.pas
+++ b/packages/fcl-db/tests/sqldbtoolsunit.pas
@@ -200,8 +200,7 @@ begin
     HostName := dbhostname;
     if length(dbQuoteChars)>1 then
       begin
-      FieldNameQuoteChars[0] := dbQuoteChars[1];
-      FieldNameQuoteChars[1] := dbQuoteChars[2];
+        FieldNameQuoteChars:=dbquotechars;
       end;
     Open;
     end;