diff --git a/src/atom/line-folder.coffee b/src/atom/line-folder.coffee
index ce529c3fc..876aea6b5 100644
--- a/src/atom/line-folder.coffee
+++ b/src/atom/line-folder.coffee
@@ -86,6 +86,9 @@ class LineFolder
   lineCount: ->
     @lineMap.screenLineCount()
 
+  lastRow: ->
+    @lineCount() - 1
+
   screenRowForBufferRow: (bufferRow) ->
     @screenPositionForBufferPosition([bufferRow, 0]).row