diff --git a/plugin/makecols.vim b/plugin/makecols.vim
index 3be7ee2..61370c8 100644
--- a/plugin/makecols.vim
+++ b/plugin/makecols.vim
@@ -83,7 +83,7 @@ function! s:convert_selection_vert()
     " For Loopage Goes here
     let a = rows
     for i in old_selection
-        if (a % rows)
+        if (a % g:makecols_cols)
             echom old_selection[a]
             let a = rows
         else