diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index 642cbac3..cec71fcc 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -822,7 +822,11 @@ var Editor =function(renderer, session) {
             return;
 
         var rows = this.$getSelectedRows();
-        this.session.remove(new Range(rows.first, 0, rows.last+1, 0));
+        if (rows.last == 0 || rows.last+1 < this.session.getLength())
+            var range = new Range(rows.first, 0, rows.last+1, 0)
+        else
+            var range = new Range(rows.first-1, 0, rows.last, this.session.getLine(rows.last));
+        this.session.remove(range);
         this.clearSelection();
     };