diff -r ef0373b55136 -r 758a864f9613 src/sql/drivers/odbc/qsql_odbc.cpp
--- a/src/sql/drivers/odbc/qsql_odbc.cpp	Fri Sep 17 08:34:18 2010 +0300
+++ b/src/sql/drivers/odbc/qsql_odbc.cpp	Mon Oct 04 01:19:32 2010 +0300
@@ -2106,7 +2106,7 @@
         serverType = QString::fromUtf8((const char *)serverString.constData(), t);
 #endif
         isFreeTDSDriver = serverType.contains(QLatin1String("tdsodbc"), Qt::CaseInsensitive);
-        unicode = isFreeTDSDriver == false;
+        unicode = unicode && !isFreeTDSDriver;
     }
 }