diff --git a/kdc/kdc_locl.h b/kdc/kdc_locl.h
index f2da03b5e..36d694dae 100644
--- a/kdc/kdc_locl.h
+++ b/kdc/kdc_locl.h
@@ -77,4 +77,8 @@ loop(krb5_context context, krb5_kdc_configuration *config);
 krb5_kdc_configuration *
 configure(krb5_context context, int argc, char **argv);
 
+#ifdef __APPLE__
+void bonjour_announce(krb5_context, krb5_kdc_configuration *);
+#endif
+
 #endif /* __KDC_LOCL_H__ */