diff --git a/README.md b/README.md
index 275dbb1..3f3a1d3 100644
--- a/README.md
+++ b/README.md
@@ -145,7 +145,7 @@ config = {
   },
 
   // To run Node application as Windows service
-  "cliOptions": {
+  "childProcessOptions": {
     "detached": true
   }
 
diff --git a/lib/pdf.js b/lib/pdf.js
index c071258..4ca1afd 100644
--- a/lib/pdf.js
+++ b/lib/pdf.js
@@ -84,7 +84,7 @@ PDF.prototype.toFile = function PdfToFile (filename, callback) {
 }
 
 PDF.prototype.exec = function PdfExec (callback) {
-  var child = childprocess.spawn(this.options.phantomPath, [].concat(this.options.phantomArgs, [this.script]), this.options.cliOptions)
+  var child = childprocess.spawn(this.options.phantomPath, [].concat(this.options.phantomArgs, [this.script]), this.options.childProcessOptions)
   var stderr = []
 
   var timeout = setTimeout(function execTimeout () {