diff --git a/cps/admin.py b/cps/admin.py
index a546e518..fa530544 100644
--- a/cps/admin.py
+++ b/cps/admin.py
@@ -542,7 +542,7 @@ def _configuration_oauth_helper(to_save):
              "oauth_client_secret": to_save["config_" + str(element['id']) + "_oauth_client_secret"],
              "active": element["active"]})
 
-def _configuration_logfile_helper(gdriveError, to_save):
+def _configuration_logfile_helper(to_save, gdriveError):
     reboot_required = False
     reboot_required |= _config_int(to_save, "config_log_level")
     reboot_required |= _config_string(to_save, "config_logfile")
@@ -615,13 +615,11 @@ def _configuration_update_helper():
     db_change = False
     to_save = request.form.to_dict()
 
-
     db_change |= _config_string(to_save, "config_calibre_dir")
 
     # Google drive setup
     gdriveError = _configuration_gdrive_helper(to_save)
 
-
     reboot_required |= _config_int(to_save, "config_port")
 
     reboot_required |= _config_string(to_save, "config_keyfile")
@@ -638,6 +636,9 @@ def _configuration_update_helper():
     reboot_required |= _config_checkbox_int(to_save, "config_kobo_sync")
     _config_checkbox_int(to_save, "config_kobo_proxy")
 
+    _config_string(to_save, "config_upload_formats")
+    constants.EXTENSIONS_UPLOAD = [x.lstrip().rstrip() for x in config.config_upload_formats.split(',')]
+
     _config_string(to_save, "config_calibre")
     _config_string(to_save, "config_converterpath")
     _config_string(to_save, "config_kepubifypath")
diff --git a/cps/config_sql.py b/cps/config_sql.py
index 2b813530..a31f8243 100644
--- a/cps/config_sql.py
+++ b/cps/config_sql.py
@@ -291,7 +291,7 @@ class _ConfigSQL(object):
                 db_file = os.path.join(self.config_calibre_dir, 'metadata.db')
                 have_metadata_db = os.path.isfile(db_file)
         self.db_configured = have_metadata_db
-
+        constants.EXTENSIONS_UPLOAD = [x.lstrip().rstrip() for x in self.config_upload_formats.split(',')]
         logger.setup(self.config_logfile, self.config_log_level)
 
     def save(self):
diff --git a/cps/web.py b/cps/web.py
index beb34887..da4d9e20 100644
--- a/cps/web.py
+++ b/cps/web.py
@@ -1241,6 +1241,8 @@ def serve_book(book_id, book_format, anyname):
 def download_link(book_id, book_format, anyname):
     if "Kobo" in request.headers.get('User-Agent'):
         client = "kobo"
+    else:
+        client=""
 
     return get_download_link(book_id, book_format, client)