diff --git a/package.json b/package.json
index 7ac368d39b..24518b5e7b 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "author": "Paulus Schoutsen <Paulus@PaulusSchoutsen.nl> (http://paulusschoutsen.nl)",
   "license": "MIT",
   "dependencies": {
-    "home-assistant-js": "git+https://github.com/balloob/home-assistant-js.git#b6909b2765077d100131b2db126cd042aec1db5f",
+    "home-assistant-js": "git+https://github.com/balloob/home-assistant-js.git#a6ba8f88f5f0cfc09a4472fbda8d08e752358cee",
     "lodash": "^3.10.0",
     "moment": "^2.11.1"
   },
diff --git a/src/components/state-history-chart-line.js b/src/components/state-history-chart-line.js
index 4495437e10..2e19060796 100644
--- a/src/components/state-history-chart-line.js
+++ b/src/components/state-history-chart-line.js
@@ -145,7 +145,7 @@ export default new Polymer({
             const curTemp = saveParseFloat(state.attributes.current_temperature);
             const targetHigh = saveParseFloat(state.attributes.target_temp_high);
             const targetLow = saveParseFloat(state.attributes.target_temp_low);
-            pushData([state.lastChangedAsDate, curTemp, targetHigh, targetLow], noInterpolations);
+            pushData([state.lastUpdatedAsDate, curTemp, targetHigh, targetLow], noInterpolations);
           };
         } else {
           dataTable.addColumn('number', `${name} target temperature`);
@@ -155,7 +155,7 @@ export default new Polymer({
           processState = state => {
             const curTemp = saveParseFloat(state.attributes.current_temperature);
             const target = saveParseFloat(state.attributes.temperature);
-            pushData([state.lastChangedAsDate, curTemp, target], noInterpolations);
+            pushData([state.lastUpdatedAsDate, curTemp, target], noInterpolations);
           };
         }