--- a/datacommsserver/esockserver/core_states/ss_corepractivities.cpp	Mon May 24 18:49:19 2010 +0100
+++ b/datacommsserver/esockserver/core_states/ss_corepractivities.cpp	Tue Jul 20 18:12:15 2010 +0100
@@ -1113,7 +1113,7 @@
 	{
 	__ASSERT_DEBUG(aDataClient, User::Panic(KCorePrPanic, KPanicDataClient));
 	__ASSERT_DEBUG(iSuccessfulDataClients.Find(aDataClient) == KErrNotFound, User::Panic(KCorePrPanic, KPanicIncorrectState));
-	iSuccessfulDataClients.Append(aDataClient);
+	iSuccessfulDataClients.AppendL(aDataClient);
 	}
 
 void CBindToActivity::RemoveClientFromSuccessful(Messages::RNodeInterface* aDataClient)