diff --git a/mail/config/user-patches.sh b/mail/config/user-patches.sh
index 4879036..dc94987 100644
--- a/mail/config/user-patches.sh
+++ b/mail/config/user-patches.sh
@@ -29,7 +29,7 @@
 }
 
 {
-    add_users_with_passwd gerrit
+    add_users_with_passwd gerrit keycloak
 
     # Restrict gerrit@ sending to local IP:
     if ! grep -q gerrit /tmp/docker-mailserver/user.access 2>/dev/null; then