diff --git a/include/ccnet.h b/include/ccnet.h
index 7133ebc..d327d52 100644
--- a/include/ccnet.h
+++ b/include/ccnet.h
@@ -90,7 +90,7 @@ CcnetPeer *ccnet_get_default_relay (SearpcClient *client);
 GList *ccnet_get_peers_by_role (SearpcClient *client, const char *role);
 
 char *ccnet_get_binding_email (SearpcClient *client, const char *peer_id);
-GList *ccnet_get_groups_by_user (SearpcClient *client, const char *user);
+GList *ccnet_get_groups_by_user (SearpcClient *client, const char *user, int return_ancestors);
 GList *ccnet_get_org_groups_by_user (SearpcClient *client, const char *user, int org_id);
 GList *
 ccnet_get_group_members (SearpcClient *client, int group_id);
diff --git a/lib/ccnet-rpc-wrapper.c b/lib/ccnet-rpc-wrapper.c
index d394ff6..94b8ca6 100644
--- a/lib/ccnet-rpc-wrapper.c
+++ b/lib/ccnet-rpc-wrapper.c
@@ -181,14 +181,14 @@ ccnet_get_binding_email (SearpcClient *client, const char *peer_id)
 }
 
 GList *
-ccnet_get_groups_by_user (SearpcClient *client, const char *user)
+ccnet_get_groups_by_user (SearpcClient *client, const char *user, int return_ancestors)
 {
     if (!user)
         return NULL;
 
     return searpc_client_call__objlist (
         client, "get_groups", CCNET_TYPE_GROUP, NULL,
-        1, "string", user);
+        2, "string", user, "int", return_ancestors);
 }
 
 GList *