From 029eba7ab8f2df588743ad1b0c16a7a97e4d337d Mon Sep 17 00:00:00 2001
From: karwosts <32912880+karwosts@users.noreply.github.com>
Date: Mon, 1 Dec 2025 22:08:36 -0800
Subject: [PATCH] Safer lookup of description_placeholders when service is
 invalid (#28273)

---
 src/components/ha-service-control.ts                        | 2 +-
 src/panels/developer-tools/action/developer-tools-action.ts | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/ha-service-control.ts b/src/components/ha-service-control.ts
index 28c1196479..67733abf38 100644
--- a/src/components/ha-service-control.ts
+++ b/src/components/ha-service-control.ts
@@ -467,7 +467,7 @@ export class HaServiceControl extends LitElement {
 
     const descriptionPlaceholders =
       domain && serviceName
-        ? this.hass.services[domain][serviceName].description_placeholders
+        ? this.hass.services[domain]?.[serviceName]?.description_placeholders
         : undefined;
 
     const description =
diff --git a/src/panels/developer-tools/action/developer-tools-action.ts b/src/panels/developer-tools/action/developer-tools-action.ts
index 12e4240bfe..3f23b0e0d4 100644
--- a/src/panels/developer-tools/action/developer-tools-action.ts
+++ b/src/panels/developer-tools/action/developer-tools-action.ts
@@ -137,7 +137,7 @@ class HaPanelDevAction extends LitElement {
 
     const descriptionPlaceholders =
       domain && serviceName
-        ? this.hass.services[domain][serviceName].description_placeholders
+        ? this.hass.services[domain]?.[serviceName]?.description_placeholders
         : undefined;
 
     return html`