diff --git a/postnl-card.js b/postnl-card.js
index 0cfa4b4..a48621b 100755
--- a/postnl-card.js
+++ b/postnl-card.js
@@ -140,9 +140,9 @@ class PostNL extends LitElement {
     return {
       _hass: Object,
       config: Object,
-      delivery: Object,
-      distribution: Object,
-      letters: Object,
+      deliveryObject: Object,
+      distributionObject: Object,
+      letterObject: Object,
       icon: String,
       name: String,
       date_format: String,
@@ -229,6 +229,7 @@ class PostNL extends LitElement {
     this.delivery_delivered = []
     this.distribution_enroute = []
     this.distribution_delivered = []
+    this.letters = []
 
     // Format letters
     if (this.letterObject) {
diff --git a/tracker.json b/tracker.json
index 93f6fd0..f9fae39 100644
--- a/tracker.json
+++ b/tracker.json
@@ -1,9 +1,9 @@
 {
   "postnl-card": {
-    "version": "0.9.3",
+    "version": "0.9.4",
     "updated_at": "2019-05-15",
     "visit_repo": "https://github.com/peternijssen/lovelace-postnl",
-    "remote_location": "https://github.com/peternijssen/lovelace-postnl/releases/download/0.9.3/postnl-card.js",
+    "remote_location": "https://github.com/peternijssen/lovelace-postnl/releases/download/0.9.4/postnl-card.js",
     "changelog": "https://github.com/peternijssen/lovelace-postnl/releases/latest"
   }
 }