diff --git a/package.json b/package.json
index 78a0cae..3dae4d0 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "displayName": "Denon TV",
   "name": "homebridge-denon-tv",
-  "version": "4.12.9",
+  "version": "4.12.10",
   "description": "Homebridge plugin to control Denon/Marantz AV Receivers.",
   "license": "MIT",
   "author": "grzegorz914",
diff --git a/src/denon.js b/src/denon.js
index 0dc895e..76c922e 100644
--- a/src/denon.js
+++ b/src/denon.js
@@ -358,7 +358,7 @@ class DENON extends EventEmitter {
                 };
 
                 //schortcuts
-                const deviceSchortcuts = getInputsFromDevice && supportShortcut ? zoneCapabilities.ShortcutControl.EntryList.Shortcut : [];
+                const deviceSchortcuts = getInputsFromDevice && supportShortcut && Array.isArray(zoneCapabilities.ShortcutControl.EntryList.Shortcut) ? zoneCapabilities.ShortcutControl.EntryList.Shortcut : [];
                 for (const shortcut of deviceSchortcuts) {
                     const category = shortcut.Category; //1, 2, 3 Quick/Smart Select, 4 Inputs, 5 Sound Mode
                     const shortcutName = shortcut.DispName;
@@ -371,7 +371,7 @@ class DENON extends EventEmitter {
                 };
 
                 //favorites
-                const deviceFavorites = getFavoritesFromDevice && supportFavorites ? devInfo.DeviceCapabilities.Operation.Favorites : [];
+                const deviceFavorites = getFavoritesFromDevice && supportFavorites && Array.isArray(devInfo.DeviceCapabilities.Operation.Favorites) ? devInfo.DeviceCapabilities.Operation.Favorites : [];
                 for (const favorite of deviceFavorites) {
                     const favoriteName = favorite.DispName;
                     const favoriteReference = favorite.FuncName;