diff --git a/lib/ace/document.js b/lib/ace/document.js
index a705b682..74b5f8df 100644
--- a/lib/ace/document.js
+++ b/lib/ace/document.js
@@ -664,7 +664,7 @@ var Document = function(text, mode) {
         if (firstRow <= 0) return 0;
 
         var removed = this.lines.slice(firstRow, lastRow + 1);
-        this.$remove(new Range(firstRow, 0, lastRow + 1, 0));
+        this.$remove(new Range(firstRow-1, this.lines[firstRow-1], lastRow, this.lines[lastRow].length));
         this.$insertLines(firstRow - 1, removed);
         
         this.fireChangeEvent(firstRow - 1, lastRow);