diff --git a/package/contents/ui/lib/helper.js b/package/contents/ui/lib/helper.js
index 72c6094..5beafee 100644
--- a/package/contents/ui/lib/helper.js
+++ b/package/contents/ui/lib/helper.js
@@ -7,7 +7,7 @@ function batteryColor(batteryPercent) {
   switch(batteryPercent) {
     case -1: color = "green"; break;
     case -2: color = "red"; break;
-    default: color = colors[~~(batteryPercent / 10 + 0.5)]; break;
+    default: color = colors[~~(batteryPercent / 10 + 0.5) - 1]; break;
   }
   return color;
 }
diff --git a/package/contents/ui/main.qml b/package/contents/ui/main.qml
index 89c9fe7..bf190ab 100644
--- a/package/contents/ui/main.qml
+++ b/package/contents/ui/main.qml
@@ -18,7 +18,7 @@ Item {
     connectedSources: ["headsetcontrol -bc"]
     interval: pollingrate * 1e3
     onNewData: {
-      if(data['exit_code'] > 0) {
+      if(data['exit code'] > 0) {
         batteryPercent = -2;
         return;
       }