diff --git a/document_page/models/document_page_history.py b/document_page/models/document_page_history.py
index ef39b3d616a..559697c46c7 100644
--- a/document_page/models/document_page_history.py
+++ b/document_page/models/document_page_history.py
@@ -54,4 +54,7 @@ def _get_diff(self, v1, v2):
     @api.depends("page_id")
     def _compute_display_name(self):
         for rec in self:
-            rec.display_name = rec.id, "%s #%i" % (rec.page_id.name, rec.id)
+            if isinstance(rec.id, models.NewId):
+                rec.display_name = rec.page_id.name or ""
+            else:
+                rec.display_name = "%s #%i" % (rec.page_id.name, rec.id)