From 1dba84956703eea50edfc4448fb94aec20c696d8 Mon Sep 17 00:00:00 2001
From: Erik Montnemery <erik@montnemery.com>
Date: Wed, 6 Apr 2022 20:54:11 +0200
Subject: [PATCH] Fix statistics chart for sum stat without state (#12238)

---
 src/components/chart/statistics-chart.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/chart/statistics-chart.ts b/src/components/chart/statistics-chart.ts
index 944b467a41..9f793a6977 100644
--- a/src/components/chart/statistics-chart.ts
+++ b/src/components/chart/statistics-chart.ts
@@ -347,8 +347,8 @@ class StatisticsChart extends LitElement {
         statTypes.forEach((type) => {
           let val: number | null;
           if (type === "sum") {
-            if (!initVal) {
-              initVal = val = stat.state;
+            if (initVal === null) {
+              initVal = val = stat.state || 0;
               prevSum = stat.sum;
             } else {
               val = initVal + ((stat.sum || 0) - prevSum!);