Index: /trunk/src/VBox/Storage/VHD.cpp
===================================================================
--- /trunk/src/VBox/Storage/VHD.cpp	(revision 50850)
+++ /trunk/src/VBox/Storage/VHD.cpp	(revision 50851)
@@ -2464,5 +2464,5 @@
         {
             pvParent = RTMemTmpAlloc(pImage->cbDataBlock);
-            AssertBreakStmt(VALID_PTR(pvBuf), rc = VERR_NO_MEMORY);
+            AssertBreakStmt(VALID_PTR(pvParent), rc = VERR_NO_MEMORY);
         }
         pvBuf = RTMemTmpAlloc(pImage->cbDataBlock);