diff --git a/internal/auth/repository/eventsourcing/eventstore/auth_request.go b/internal/auth/repository/eventsourcing/eventstore/auth_request.go
index 6e40aff730..56bbafa825 100644
--- a/internal/auth/repository/eventsourcing/eventstore/auth_request.go
+++ b/internal/auth/repository/eventsourcing/eventstore/auth_request.go
@@ -1586,7 +1586,7 @@ func linkExternalIDPs(ctx context.Context, userCommandProvider userCommandProvid
 			ObjectRoot:     es_models.ObjectRoot{AggregateID: request.UserID},
 			IDPConfigID:    linkingUser.IDPConfigID,
 			ExternalUserID: linkingUser.ExternalUserID,
-			DisplayName:    linkingUser.DisplayName,
+			DisplayName:    linkingUser.PreferredUsername,
 		}
 		externalIDPs[i] = externalIDP
 	}