diff --git a/plugin/makecols.vim b/plugin/makecols.vim
index 1c11b9c..c1ea5d9 100644
--- a/plugin/makecols.vim
+++ b/plugin/makecols.vim
@@ -20,7 +20,7 @@ function! s:get_visual_selection()
     let new_string = ""
 
     let c = 0
-    for i in lines
+    for i in no_of_lines
         " start combining
         if (c == 0)
             let new_string = lines[i]