diff --git a/src/templates/options.js b/src/templates/options.js
index 329d2c424..c0f91341b 100644
--- a/src/templates/options.js
+++ b/src/templates/options.js
@@ -1,8 +1,6 @@
 <%
 function stringifyValue(value) {
-  if (typeof value === 'string') {
-    return `'${value}'`
-  } else if (value === undefined || value === null || typeof value === 'boolean' || typeof value === 'function') {
+  if (value === undefined || typeof value === 'function') {
     return String(value);
   } else {
     return JSON.stringify(value)