diff --git a/progit/lib.py b/progit/lib.py
index a2d85f9..109e9b6 100644
--- a/progit/lib.py
+++ b/progit/lib.py
@@ -435,7 +435,10 @@ def generate_gitolite_acls(session, configfile):
     '''
     config = []
     for project in session.query(model.Project).all():
-        config.append('repo %s' % project.fullname)
+        if project.parent_id:
+            config.append('repo forks/%s' % project.fullname)
+        else:
+            config.append('repo %s' % project.fullname)
         config.append('  RW+ = %s' % project.user.user)
         for user in project.users:
             if user != project.user: