--- a/installationservices/swinstallationfw/source/sifcommon.cpp	Wed Jun 23 18:20:02 2010 +0300
+++ b/installationservices/swinstallationfw/source/sifcommon.cpp	Tue Jul 06 14:23:31 2010 +0300
@@ -1005,6 +1005,7 @@
 
 void CStringItem::ExternalizeL(RWriteStream& aStream) const
     {
+	CItemBase::ExternalizeL(aStream);
     aStream << *iString;
     }