diff --git a/document_page/models/document_page_history.py b/document_page/models/document_page_history.py
index ef39b3d616a..91d54869116 100644
--- a/document_page/models/document_page_history.py
+++ b/document_page/models/document_page_history.py
@@ -54,4 +54,8 @@ 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)
+            rec.display_name = (
+                "%s #%i" % (rec.page_id.name, rec.id)
+                if isinstance(rec.id, int)
+                else (rec.page_id.name or "")
+            )