diff -r 5851127a6882 dc/stdimage/fields.py
--- a/dc/stdimage/fields.py     Tue May 26 14:36:55 2009 +0300
+++ b/dc/stdimage/fields.py     Wed May 27 17:44:15 2009 +0300
@@ -90,7 +90,10 @@
             dst = self.generate_filename(instance, '%s_%s%s' % (self.name, instance._get_pk_val(), ext))
             dst_fullpath = os.path.join(settings.MEDIA_ROOT, dst)
             if os.path.abspath(filename) != os.path.abspath(dst_fullpath):
-                os.rename(filename, dst_fullpath)
+                if filename == os.path.join(settings.MEDIA_ROOT, self.default):
+                    shutil.copyfile(filename, dst_fullpath)
+                else:
+                    os.rename(filename, dst_fullpath)
                 if self.size:
                     self._resize_image(dst_fullpath, self.size)
                 if self.thumbnail_size: