diff --git a/lib/homeassistant.js b/lib/homeassistant.js
index f2ba2eb8..dfbac689 100644
--- a/lib/homeassistant.js
+++ b/lib/homeassistant.js
@@ -234,7 +234,7 @@ const discovered = {};
 
 function discover(deviceID, model, mqtt) {
     // Check if already discoverd and check if there are configs.
-    if (discovered[deviceID] || !mapping[model]) {
+    if (discovered[deviceID] || !mapping[model] || !settings.getDevice(deviceID)) {
         return;
     }