diff --git a/addon/runmode/runmode.node.js b/addon/runmode/runmode.node.js
index e8bccb0cf2a8643604e32fc9506674b57f388956..870b9ea5df03e57790661ef4dfce9747c99543e4 100644
--- a/addon/runmode/runmode.node.js
+++ b/addon/runmode/runmode.node.js
@@ -99,7 +99,7 @@ exports.getMode = function(options, spec) {
 };
 exports.registerHelper = exports.registerGlobalHelper = Math.min;
 
-exports.runMode = function(string, modespec, callback) {
+exports.runMode = function(string, modespec, callback, options) {
   var mode = exports.getMode({indentUnit: 2}, modespec);
   var lines = splitLines(string), state = (options && options.state) || exports.startState(mode);
   for (var i = 0, e = lines.length; i < e; ++i) {