Index: /branches/release-40/lib/MT/Blog.pm
===================================================================
--- /branches/release-40/lib/MT/Blog.pm (revision 2476)
+++ /branches/release-40/lib/MT/Blog.pm (revision 2559)
@@ -83,5 +83,5 @@
         'image_default_thumb' => 'integer meta',
         'image_default_width' => 'integer meta',
-        'image_default_wunits' => 'integer meta',
+        'image_default_wunits' => 'string meta',
         'image_default_constrain' => 'integer meta',
         'image_default_popup' => 'integer meta',