Index: /trunk/src/VBox/Devices/Storage/VBoxHDD.cpp
===================================================================
--- /trunk/src/VBox/Devices/Storage/VBoxHDD.cpp	(revision 27358)
+++ /trunk/src/VBox/Devices/Storage/VBoxHDD.cpp	(revision 27359)
@@ -2207,8 +2207,8 @@
         if (nImageFrom < nImageTo)
         {
-            if (pImageTo->pPrev)
+            if (pImageFrom->pPrev)
             {
-                rc = pImageTo->Backend->pfnGetUuid(pImageTo->pPrev->pvBackendData,
-                                                   &Uuid);
+                rc = pImageFrom->pPrev->Backend->pfnGetUuid(pImageFrom->pPrev->pvBackendData,
+                                                            &Uuid);
                 AssertRC(rc);
             }