diff --git a/swh/lister/github/lister.py b/swh/lister/github/lister.py
index 4b83bb5..af27899 100644
--- a/swh/lister/github/lister.py
+++ b/swh/lister/github/lister.py
@@ -23,7 +23,8 @@ class GitHubLister(SWHIndexingHttpLister):
                 'html_url': repo['html_url'],
                 'origin_url': repo['html_url'],
                 'origin_type': 'git',
-                'description': repo['description']
+                'description': repo['description'],
+                'fork': repo['fork'],
                 }
 
     def transport_quota_check(self, response):
diff --git a/swh/lister/github/models.py b/swh/lister/github/models.py
index 094526d..a82c2e1 100644
--- a/swh/lister/github/models.py
+++ b/swh/lister/github/models.py
@@ -2,7 +2,7 @@
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from sqlalchemy import Column, Integer
+from sqlalchemy import Column, Boolean, Integer
 
 from swh.lister.core.models import ModelBase
 
@@ -13,6 +13,7 @@ class GitHubModel(ModelBase):
 
     uid = Column(Integer, primary_key=True)
     indexable = Column(Integer, index=True)
+    fork = Column(Boolean)
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)