--- a/secureswitools/swisistools/source/sisxlibrary/sisexpression.cpp	Tue Jun 29 16:50:12 2010 +0300
+++ b/secureswitools/swisistools/source/sisxlibrary/sisexpression.cpp	Thu Jul 08 20:28:00 2010 +0300
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+* Copyright (c) 2004-2010 Nokia Corporation and/or its subsidiary(-ies).
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of the License "Eclipse Public License v1.0"
@@ -584,7 +584,7 @@
 		return false;
 		}
 
-	std::wistringstream wStrStream(aString);
+	std::wistringstream wStrStream(aString.c_str());
 
 	if((wStrStream >> std::dec >> aDecimalValue) && wStrStream.eof())
 		{