diff --git a/lib/ace/edit_session.js b/lib/ace/edit_session.js
index 697d0508..f6744907 100644
--- a/lib/ace/edit_session.js
+++ b/lib/ace/edit_session.js
@@ -2445,7 +2445,7 @@ config.defineOptions(EditSession.prototype, "session", {
     },
     newLineMode: {
         set: function(val) {this.doc.setNewLineMode(val)},
-        get: function() {return this.doc.getNewLineMode(newLineMode)},
+        get: function() {return this.doc.getNewLineMode()},
         handlesSet: true
     }
 });