diff --git a/src/device.c b/src/device.c
index 2d7621b..a7f8880 100644
--- a/src/device.c
+++ b/src/device.c
@@ -5926,7 +5926,7 @@ struct Job
 
 /* ---------------------- udf -------------------- */
 
-static const char *udf_defaults[] = { "uid=", "gid=", "iocharset=utf8", "umask=0077", "dmode=0500", NULL };
+static const char *udf_defaults[] = { "uid=", "gid=", "iocharset=utf8", "umask=0077", NULL };
 static const char *udf_allow[] = { "iocharset=", "umask=", "mode=", "dmode=", NULL };
 static const char *udf_allow_uid_self[] = { "uid=", NULL };
 static const char *udf_allow_gid_self[] = { "gid=", NULL };
@@ -6203,6 +6203,15 @@ struct Job
 
   /* dynamic default options */
 
+  /* some broken DVDs come with 0400 directory permissions, making them
+   * unreadable; overwrite readonly UDF media with a 0500 dmode. */
+  if (g_strcmp0 (device->priv->id_type, "udf") == 0 && device->priv->device_is_optical_disc &&
+      device->priv->drive_media != NULL && 
+      strstr(device->priv->drive_media, "_rw") == NULL && strstr(device->priv->drive_media, "_ram") == NULL)
+    {
+      g_ptr_array_add (options, g_strdup("dmode=0500"));
+    }
+
   /* user supplied options */
   for (n = 0; given_options[n] != NULL; n++)
     {