diff --git a/src/calibre/ebooks/conversion/plugins/mobi_output.py b/src/calibre/ebooks/conversion/plugins/mobi_output.py
index 38678f0c41..7b01a85ee1 100644
--- a/src/calibre/ebooks/conversion/plugins/mobi_output.py
+++ b/src/calibre/ebooks/conversion/plugins/mobi_output.py
@@ -280,6 +280,7 @@ class AZW3Output(OutputFormatPlugin):
         from calibre.ebooks.mobi.writer8.main import create_kf8_book
 
         self.oeb, self.opts, self.log = oeb, opts, log
+        opts.mobi_periodical = self.is_periodical
 
         resources = Resources(self.oeb, self.opts, self.is_periodical,
                 add_fonts=True, process_images=False)
diff --git a/src/calibre/ebooks/mobi/writer2/resources.py b/src/calibre/ebooks/mobi/writer2/resources.py
index 273e1e044f..2f12793b03 100644
--- a/src/calibre/ebooks/mobi/writer2/resources.py
+++ b/src/calibre/ebooks/mobi/writer2/resources.py
@@ -23,7 +23,7 @@ class Resources(object):
             process_images=True):
         self.oeb, self.log, self.opts = oeb, oeb.log, opts
         self.is_periodical = is_periodical
-        self.process_images = True
+        self.process_images = process_images
 
         self.item_map = {}
         self.records = []