diff --git a/lib/ace/mouse/mouse_handler.js b/lib/ace/mouse/mouse_handler.js
index e3b45abf..6a91b172 100644
--- a/lib/ace/mouse/mouse_handler.js
+++ b/lib/ace/mouse/mouse_handler.js
@@ -83,7 +83,7 @@ var MouseHandler = function(editor) {
         var char = editor.renderer.screenToTextCoordinates(e.x, e.y);
         var range = editor.session.selection.getRange();
 
-        if (!range.isEmpty() && range.inside(char.row, char.column)) {
+        if (!range.isEmpty() && range.insideStart(char.row, char.column)) {
             editor.setStyle("ace_selection");
         } else {
             editor.unsetStyle("ace_selection");