From f25fdf0d2e787faf1e9ec2096034b2def26e5e8b Mon Sep 17 00:00:00 2001
From: Paulus Schoutsen <balloob@gmail.com>
Date: Thu, 9 Jun 2022 12:46:13 -0700
Subject: [PATCH] Fix reloading themes crashing if no themes configured
 (#73287)

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

diff --git a/homeassistant/components/frontend/__init__.py b/homeassistant/components/frontend/__init__.py
index c1deb02fc6a5..b3907143eb95 100644
--- a/homeassistant/components/frontend/__init__.py
+++ b/homeassistant/components/frontend/__init__.py
@@ -460,7 +460,7 @@ async def _async_setup_themes(
     async def reload_themes(_: ServiceCall) -> None:
         """Reload themes."""
         config = await async_hass_config_yaml(hass)
-        new_themes = config[DOMAIN].get(CONF_THEMES, {})
+        new_themes = config.get(DOMAIN, {}).get(CONF_THEMES, {})
         hass.data[DATA_THEMES] = new_themes
         if hass.data[DATA_DEFAULT_THEME] not in new_themes:
             hass.data[DATA_DEFAULT_THEME] = DEFAULT_THEME