diff --git a/plugin/makecols.vim b/plugin/makecols.vim
index a34b5ee..e8ff7fd 100644
--- a/plugin/makecols.vim
+++ b/plugin/makecols.vim
@@ -10,7 +10,8 @@ endfunction
 function! s:makecols()
     let selection = $selection
     let lines = getline("'<")[getpos("'<")[2]-1:getpos("'>")[2]]
-    return lines
+    echo lines
+    return s:beep()
 endfunction