diff --git a/plugin/makecols.vim b/plugin/makecols.vim
index bec48ed..bf50eb7 100644
--- a/plugin/makecols.vim
+++ b/plugin/makecols.vim
@@ -96,6 +96,7 @@ function! s:convert_selection_vert()
         endif
         let pos = row
         while col < cols
+            let col += 1
             let pos = pos + rows
             echom "ROW: " . row . " COL: " . col . " POS: " . pos
             let content = get(old_selection, pos, "blank")
@@ -104,7 +105,6 @@ function! s:convert_selection_vert()
             else
                 let new_string = join([new_string, content], "\t")
             endif
-            let col += 1
         endwhile
         let new_string = join([new_string,""], "\n")
         let row += 1