diff --git a/index.js b/index.js
index 3bd30bb..7bcc46a 100755
--- a/index.js
+++ b/index.js
@@ -51,7 +51,7 @@ module.exports = postcss.plugin('postcss-px-to-viewport', function (options) {
   };
 });
 
-function getUnit (prop, opts) {
+function getUnit(prop, opts) {
   return prop.indexOf('font') === -1 ? opts.viewportUnit : opts.fontViewportUnit;
 }