diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8be2cad..6f89420 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 Changelog
 ====
+## 0.0.16
+### Fixes
+* Prepare for future card config changes.
+
 ## 0.0.15
 ### Improvements
 * Removal of support for Customer Updater.
diff --git a/package.json b/package.json
index 7c7050a..ed02de2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "power-wheel-card",
-  "version": "0.0.15",
+  "version": "0.0.16",
   "description": "An intuitive way to represent the power and energy that your home is consuming or producing.",
   "directories": {
     "test": "test"
diff --git a/power-wheel-card.js b/power-wheel-card.js
index 642cfd8..9698310 100644
--- a/power-wheel-card.js
+++ b/power-wheel-card.js
@@ -5,7 +5,7 @@
  *
  */
 
-const __VERSION = "0.0.15";
+const __VERSION = "0.0.16";
 
 const LitElement = Object.getPrototypeOf(customElements.get("hui-view"));
 const html = LitElement.prototype.html;
@@ -540,6 +540,7 @@ class PowerWheelCard extends LitElement {
   }
 
   setConfig(config) {
+    config = Object.assign({}, config);
     if (!config.solar_power_entity) {
       throw new Error('You need to define a solar_power_entity');
     }
@@ -618,6 +619,7 @@ class PowerWheelCard extends LitElement {
     this.autoToggleView = config.initial_auto_toggle_view;
     this.sensors = this._getSensors(config);
     this.view = config.initial_view;
+    // todo: remove this second assign
     this.config = Object.assign({}, config);
   }