diff --git a/aleksis/core/apps.py b/aleksis/core/apps.py
index 096d7effb318402480dcb35bb244a96d59b0d156..97f36261616c814b26b70f412b9827c6a3a8c174 100644
--- a/aleksis/core/apps.py
+++ b/aleksis/core/apps.py
@@ -212,6 +212,10 @@ class CoreConfig(AppConfig):
                 "postal_code": request.user.person.postal_code,
             }
 
+        if "phone" in scopes and has_person(request.user):
+            claims["mobile_number"] = request.user.person.mobile_number
+            claims["phone_number"] = request.user.person.phone_number
+
         if "groups" in scopes and has_person(request.user):
             claims["groups"] = list(
                 request.user.person.member_of.values_list("name", flat=True).all()