diff -r f912a08d3c3a -r b801ed730c0a guestrendering/vghwserialiser/inc/openvgrfc.inl
--- a/guestrendering/vghwserialiser/inc/openvgrfc.inl	Thu Sep 16 10:58:58 2010 +0100
+++ b/guestrendering/vghwserialiser/inc/openvgrfc.inl	Thu Sep 16 12:38:21 2010 +0100
@@ -18,7 +18,7 @@
     TUint32 lower, upper;
     iData.GetParamValue( OpenVgRFC::EVGuint, (TUint8*)&lower, aIndex );
     iData.GetParamValue( OpenVgRFC::EVGuint, (TUint8*)&upper, aIndex+1 );
-    aParam = (upper << 32) + lower;
+    aParam = ((TUint64)upper << 32) + lower;
     }
 inline void OpenVgRFC::GetParamValue( VGfloat& aParam, TInt aIndex )
 	{