Index: /trunk/src/VBox/Storage/VD.cpp
===================================================================
--- /trunk/src/VBox/Storage/VD.cpp	(revision 46678)
+++ /trunk/src/VBox/Storage/VD.cpp	(revision 46679)
@@ -2681,4 +2681,5 @@
                 pIoCtxWrite->Type.Child.cbPreRead  = cbPreRead;
                 pIoCtxWrite->Type.Child.cbPostRead = cbPostRead;
+                pIoCtxWrite->Req.Io.pImageParentOverride = pIoCtx->Req.Io.pImageParentOverride;
 
                 /* Process the write request */