diff --git a/src/panels/lovelace/cards/hui-history-graph-card.ts b/src/panels/lovelace/cards/hui-history-graph-card.ts index 8b67582946..76c71684de 100644 --- a/src/panels/lovelace/cards/hui-history-graph-card.ts +++ b/src/panels/lovelace/cards/hui-history-graph-card.ts @@ -73,8 +73,8 @@ export class HuiHistoryGraphCard extends LitElement implements LovelaceCard { } public setConfig(config: HistoryGraphCardConfig): void { - if (!config.entities) { - throw new Error("Entities must be defined"); + if (!config.entities.length) { + throw new Error("Entities must be specified"); } if (config.entities && !Array.isArray(config.entities)) {