diff --git a/ace/ace.d.ts b/ace/ace.d.ts
index 9866e1e28..410df1039 100644
--- a/ace/ace.d.ts
+++ b/ace/ace.d.ts
@@ -1035,6 +1035,8 @@ declare module AceAjax {
     **/
     export interface Editor {
 
+        addEventListener(ev: string, callback: Function);
+        
         inMultiSelectMode: boolean;
 
         selectMoreLines(n: number);