diff --git a/source3/winbindd/winbindd_dual_srv.c b/source3/winbindd/winbindd_dual_srv.c
index 77aa299..f7de6cb 100644
--- a/source3/winbindd/winbindd_dual_srv.c
+++ b/source3/winbindd/winbindd_dual_srv.c
@@ -612,7 +612,7 @@ NTSTATUS _wbint_SetHWM(pipes_struct *p, struct wbint_SetHWM *r)
 
 	id.id = r->in.id;
 
-	switch (id.type) {
+	switch (r->in.type) {
 	case WBINT_ID_TYPE_UID:
 		id.type = ID_TYPE_UID;
 		status = idmap_set_uid_hwm(&id);