diff --git a/plug.vim b/plug.vim
index 93c89a1..84211f6 100644
--- a/plug.vim
+++ b/plug.vim
@@ -604,7 +604,7 @@ function! s:prepare()
     silent %d _
   else
     call s:new_window()
-    nnoremap <silent> <buffer> Q  :if b:plug_preview==1<bar>pc<bar>endif<bar>echo<bar>q<cr>
+    execute 'nnoremap <silent> <buffer> ' . get(g:, 'plug_quit', 'q') . ' :if b:plug_preview==1<bar>pc<bar>endif<bar>echo<bar>q<cr>'
     nnoremap <silent> <buffer> R  :silent! call <SID>retry()<cr>
     nnoremap <silent> <buffer> D  :PlugDiff<cr>
     nnoremap <silent> <buffer> S  :PlugStatus<cr>