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
@@ -35,3 +35,8 @@
     def transport_response_simplified(self, response):
         repos = response.json()['values']
         return [self.get_model_from_repo(repo) for repo in repos]
+
+    def run(self, min_bound=None, max_bound=None):
+        if min_bound is None:
+            min_bound = '1970-01-01'
+        return super().run(min_bound, max_bound)