From 4398cb44b1b9adb58a15b6f1573dd5d74200dcb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Lov=C3=A9n?= <thomasloven@gmail.com>
Date: Tue, 7 Jan 2020 20:52:41 +0100
Subject: [PATCH] Fix #29

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

diff --git a/src/filter.js b/src/filter.js
index 917a94e..b10ed06 100644
--- a/src/filter.js
+++ b/src/filter.js
@@ -80,7 +80,7 @@ export function entity_filter(hass, filter) {
               entityAttribute = entityAttribute[step];
             }
             if(entityAttribute === undefined
-              || (v && !match(v, entityAttribute))
+              || (v !== undefined && !match(v, entityAttribute))
             )
               return false;
             continue;