diff --git a/swh/lister/bitbucket/lister.py b/swh/lister/bitbucket/lister.py
--- a/swh/lister/bitbucket/lister.py
+++ b/swh/lister/bitbucket/lister.py
@@ -29,6 +29,9 @@
         super().__init__(
             api_baseurl=api_baseurl, override_config=override_config)
         self.per_page = per_page
+        # to stay consistent with prior behavior (20 * 10 repositories then)
+        self.flush_packet_db = int(
+            (self.flush_packet_db * DEFAULT_BITBUCKET_PAGE) / per_page)
 
     def request_params(self, identifier):
         """Deal properly with extra api call query parameters.
diff --git a/swh/lister/core/indexing_lister.py b/swh/lister/core/indexing_lister.py
--- a/swh/lister/core/indexing_lister.py
+++ b/swh/lister/core/indexing_lister.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2015-2017 the Software Heritage developers
+# Copyright (C) 2015-2019 the Software Heritage developers
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
@@ -16,6 +16,8 @@
 
 
 class IndexingLister(ListerBase):
+    flush_packet_db = 20
+
     """Lister* intermediate class for any service that follows the pattern:
 
     - The service must report at least one stable unique identifier, known