diff --git a/lib/ace/edit_session.js b/lib/ace/edit_session.js
index a2faea1a..5ae66232 100644
--- a/lib/ace/edit_session.js
+++ b/lib/ace/edit_session.js
@@ -159,11 +159,10 @@ var EditSession = function(text, mode) {
         text = new Document(text);
 
     this.setDocument(text);
-
     this.selection = new Selection(this);
-    this.setMode(mode);
 
     config.resetOptions(this);
+    this.setMode(mode);
     config._emit("session", this);
 };