diff --git a/docs/models.yml b/docs/models.yml
index 782d0c2f5..f4082a88a 100644
--- a/docs/models.yml
+++ b/docs/models.yml
@@ -102,7 +102,7 @@ user:
   default_number: string
   default_structure_level: string
   default_vote_weight: decimal(6)
-  last_email_send: string
+  last_email_send: timestamp
   is_demo_user:
     type: boolean
     read_only: true