diff --git a/build.js b/build.js
index 59f794aa0..c556e3afb 100755
--- a/build.js
+++ b/build.js
@@ -863,7 +863,7 @@
    * @returns {Array} Returns the new converted array.
    */
   function optionToArray(value) {
-    return value.match(/\w+=(.*)$/)[1].split(/, */);
+    return _.compact(value.match(/\w+=(.*)$/)[1].split(/, */));
   }
 
   /**