diff --git a/src/calibre/ebooks/mobi/writer2/main.py b/src/calibre/ebooks/mobi/writer2/main.py
index 2d1f0536ea..1cda1b14dd 100644
--- a/src/calibre/ebooks/mobi/writer2/main.py
+++ b/src/calibre/ebooks/mobi/writer2/main.py
@@ -353,7 +353,11 @@ class MobiWriter(object):
 
         bt = 0x002
         if self.primary_index_record_idx is not None:
-            if self.indexer.is_periodical:
+            if False and self.indexer.is_flat_periodical:
+                # Disabled as setting this to 0x102 causes the Kindle to not
+                # auto archive the issues
+                bt = 0x102
+            elif self.indexer.is_periodical:
                 # If you change this, remember to change the cdetype in the EXTH
                 # header as well
                 bt = {'newspaper':0x101}.get(self.publication_type, 0x103)