diff --git a/README.md b/README.md
index 9be354f..e4c2f3b 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,10 @@ Please check it https://www.smarthomejetzt.de/mit-iobroker-auf-eine-home-assista
 -->
 
 ## Changelog
+
+### __WORK IN PROGRESS__
+* (Apollon77) Fix crash cases reported by Sentry
+
 ### 1.1.1 (2022-03-25)
 * (Apollon77) Show password fields masked again in config
 
diff --git a/main.js b/main.js
index 0e3659a..b6506fa 100644
--- a/main.js
+++ b/main.js
@@ -383,7 +383,7 @@ function main() {
         }
         if (entity.attributes) {
             for (const attr in entity.attributes) {
-                if (!entity.attributes.hasOwnProperty(attr) || attr === 'friendly_name' || attr === 'unit_of_measurement' || attr === 'icon') {
+                if (!entity.attributes.hasOwnProperty(attr) || attr === 'friendly_name' || attr === 'unit_of_measurement' || attr === 'icon'|| !attr.length) {
                     continue;
                 }
                 let val = entity.attributes[attr];