Index: /trunk/src/VBox/Main/src-server/MachineImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-server/MachineImpl.cpp	(revision 37074)
+++ /trunk/src/VBox/Main/src-server/MachineImpl.cpp	(revision 37075)
@@ -6304,5 +6304,5 @@
 
                 Bstr bstrSrcFormat     = "VDI";
-                MediumVariant_T srcVar = MediumVariant_Standard;
+                ULONG srcVar = MediumVariant_Standard;
                 /* Is the source file based? */
                 if ((uSrcCaps & MediumFormatCapabilities_File) == MediumFormatCapabilities_File)