From 9e923f55af19e0dcacf58ec3c5e38ae085c144ec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Wiedemann?= <jerome@wnetworks.org>
Date: Wed, 20 Jan 2021 10:58:49 +0000
Subject: [PATCH] fix: Fix undefined variable introduced by #545

---
 src/main.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main.js b/src/main.js
index d6dd9ed..7ad0705 100755
--- a/src/main.js
+++ b/src/main.js
@@ -907,7 +907,7 @@ class MiniGraphCard extends LitElement {
 
     if (stateHistory.length === 0) return;
 
-    if (entity.entity_id === this.entity[0].entity_id) {
+    if (this.entity[0] && entity.entity_id === this.entity[0].entity_id) {
       this.updateExtrema(stateHistory);
     }