diff --git a/app/utils/to-electron-background-color.js b/app/utils/to-electron-background-color.js
index 4203d3e8..f086b3ca 100644
--- a/app/utils/to-electron-background-color.js
+++ b/app/utils/to-electron-background-color.js
@@ -8,6 +8,8 @@ module.exports = bgColor => {
   if (color.alpha() === 1) {
     return color.hexString();
   }
-  // (╯°□°）╯︵ ┻━┻
-  return '#' + Math.floor(color.alpha() * 100) + color.hexString().substr(1);
+
+  // http://stackoverflow.com/a/11019879/1202488
+  const alphaHex = Math.round(color.alpha() * 255).toString(16);
+  return '#' + alphaHex + color.hexString().substr(1);
 };