diff --git a/src/calibre/ebooks/oeb/iterator.py b/src/calibre/ebooks/oeb/iterator.py
index e3f60735c1..f794f7e605 100644
--- a/src/calibre/ebooks/oeb/iterator.py
+++ b/src/calibre/ebooks/oeb/iterator.py
@@ -174,12 +174,11 @@ class EbookIterator(object):
                 plumber.opts, plumber.input_fmt, self.log,
                 {}, self.base)
 
-        if processed or plumber.input_fmt.lower() in ('pdf', 'rb'):
-            self.pathtoopf = create_oebbook(self.log, self.pathtoopf, plumber.opts,
-                    plumber.input_plugin)
         if hasattr(self.pathtoopf, 'manifest'):
             self.pathtoopf = write_oebbook(self.pathtoopf, self.base)
-
+        elif processed or plumber.input_fmt.lower() in ('pdf', 'rb'):
+            self.pathtoopf = create_oebbook(self.log, self.pathtoopf, plumber.opts,
+                    plumber.input_plugin)
 
         self.opf = OPF(self.pathtoopf, os.path.dirname(self.pathtoopf))
         self.language = self.opf.language