Index: scheduler/printers.c
===================================================================
--- scheduler/printers.c	(revision 7622)
+++ scheduler/printers.c	(working copy)
@@ -3757,7 +3757,7 @@
                   1);
 
   if (!cupsGetOption("document-format", p->num_options, p->options))
-    ippAddString(CommonData, IPP_TAG_PRINTER, IPP_TAG_MIMETYPE,
+    ippAddString(p->attrs, IPP_TAG_PRINTER, IPP_TAG_MIMETYPE,
         	 "document-format-default", NULL, "application/octet-stream");
 
   if (!cupsGetOption("job-hold-until", p->num_options, p->options))
