diff --git a/lib/ace/edit_session.js b/lib/ace/edit_session.js
index f7ffd251..a16b5ba4 100644
--- a/lib/ace/edit_session.js
+++ b/lib/ace/edit_session.js
@@ -648,7 +648,7 @@ var EditSession = function(text, mode) {
             // If wrapMode is activaed, the wrapData array has to be initialized.
             if (useWrapMode) {
                 var len = this.getLength();
-                this.$wrapMode = [];
+                this.$wrapData = [];
                 for (i = 0; i < len; i++) {
                     this.$wrapData.push([]);
                 }