Index: /trunk/src/VBox/Frontends/VBoxShell/vboxshell.py
===================================================================
--- /trunk/src/VBox/Frontends/VBoxShell/vboxshell.py	(revision 68308)
+++ /trunk/src/VBox/Frontends/VBoxShell/vboxshell.py	(revision 68309)
@@ -2213,5 +2213,5 @@
         fmt = "vdi"
 
-    hdd = ctx['vb'].createMedium(format, loc, ctx['global'].constants.AccessMode_ReadWrite, ctx['global'].constants.DeviceType_HardDisk)
+    hdd = ctx['vb'].createMedium(fmt, loc, ctx['global'].constants.AccessMode_ReadWrite, ctx['global'].constants.DeviceType_HardDisk)
     progress = hdd.createBaseStorage(size, (ctx['global'].constants.MediumVariant_Standard, ))
     if progressBar(ctx,progress) and hdd.id: