From 5e481880bdcbfe2ba12e8e5ad556f8d8d462f45b Mon Sep 17 00:00:00 2001
From: Philip Allgaier <mail@spacegaier.de>
Date: Wed, 2 Dec 2020 16:34:59 +0100
Subject: [PATCH] Allow empty entities array with entity-filter (#7854)

---
 src/panels/lovelace/cards/hui-entities-card.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/panels/lovelace/cards/hui-entities-card.ts b/src/panels/lovelace/cards/hui-entities-card.ts
index 445b5b0bb5..696532a881 100644
--- a/src/panels/lovelace/cards/hui-entities-card.ts
+++ b/src/panels/lovelace/cards/hui-entities-card.ts
@@ -109,7 +109,7 @@ class HuiEntitiesCard extends LitElement implements LovelaceCard {
   }
 
   public setConfig(config: EntitiesCardConfig): void {
-    if (!config || !config.entities.length) {
+    if (!config.entities || !Array.isArray(config.entities)) {
       throw new Error("Entities must be specified");
     }