diff --git a/lib/ace/edit_session.js b/lib/ace/edit_session.js
index 90d6225c..bc3999c4 100644
--- a/lib/ace/edit_session.js
+++ b/lib/ace/edit_session.js
@@ -869,7 +869,7 @@ var EditSession = function(text, mode) {
         TAB_SPACE = 5;
 
     this.$computeWrapSplits = function(textLine, wrapLimit, tabSize) {
-        textLine = lang.stringTrimRight();
+        textLine = lang.stringTrimRight(textLine);
         if (textLine.length == 0) {
             return [];
         }