From df6370dd61827bcf9873478b18f3bdff9a02ba8a Mon Sep 17 00:00:00 2001
From: Erik Montnemery <erik@montnemery.com>
Date: Tue, 1 Oct 2024 14:33:40 +0200
Subject: [PATCH] Ensure ovo_energy config flow title_placeholders items are
 [str, str] (#127204)

---
 homeassistant/components/ovo_energy/config_flow.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/ovo_energy/config_flow.py b/homeassistant/components/ovo_energy/config_flow.py
index 87d53e5fbf9..2dee284e1b1 100644
--- a/homeassistant/components/ovo_energy/config_flow.py
+++ b/homeassistant/components/ovo_energy/config_flow.py
@@ -90,7 +90,9 @@ class OVOEnergyFlowHandler(ConfigFlow, domain=DOMAIN):
         if user_input and user_input.get(CONF_ACCOUNT):
             self.account = user_input[CONF_ACCOUNT]
 
-        self.context["title_placeholders"] = {CONF_USERNAME: self.username}
+        if self.username:
+            # If we have a username, use it as flow title
+            self.context["title_placeholders"] = {CONF_USERNAME: self.username}
 
         if user_input is not None and user_input.get(CONF_PASSWORD) is not None:
             client = OVOEnergy(