diff --git a/irrd/webui/auth/endpoints.py b/irrd/webui/auth/endpoints.py
index 1dc75f8..2ab2e98 100644
--- a/irrd/webui/auth/endpoints.py
+++ b/irrd/webui/auth/endpoints.py
@@ -1,5 +1,6 @@
 import logging
 import secrets
+import uuid
 from urllib.parse import unquote_plus, urlparse
 import oic
 import oic.oic.message
@@ -381,6 +382,7 @@ async def oauth_callback(request: Request):
 
     if not user:
         user = AuthUser(
+            pk=uuid.uuid4(),
             email=userinfo["email"],
             oidc_sub=userinfo["sub"],
             name=userinfo["name"],