From fcc0eba7fb6c3c82fa683404d02b62535cdd7dd1 Mon Sep 17 00:00:00 2001
From: Erik Montnemery <erik@montnemery.com>
Date: Tue, 1 Oct 2024 22:04:46 +0200
Subject: [PATCH] Ensure enphase_envoy config flow title_placeholders items are
 [str, str] (#127193)

---
 homeassistant/components/enphase_envoy/config_flow.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/enphase_envoy/config_flow.py b/homeassistant/components/enphase_envoy/config_flow.py
index dca537497c2..a44808d3eda 100644
--- a/homeassistant/components/enphase_envoy/config_flow.py
+++ b/homeassistant/components/enphase_envoy/config_flow.py
@@ -294,7 +294,7 @@ class EnphaseConfigFlow(ConfigFlow, domain=DOMAIN):
             await self.async_set_unique_id(self._reconnect_entry.unique_id)
 
         self.context["title_placeholders"] = {
-            CONF_SERIAL: self.unique_id,
+            CONF_SERIAL: self.unique_id or "-",
             CONF_HOST: host,
         }