diff --git a/src/nvim/quickfix.c b/src/nvim/quickfix.c
index aeac6e4905..2780553bdc 100644
--- a/src/nvim/quickfix.c
+++ b/src/nvim/quickfix.c
@@ -3622,7 +3622,7 @@ static int qf_open_new_cwindow(qf_info_T *qi, int height)
   // Set the options for the quickfix buffer/window (if not already done)
   // Do this even if the quickfix buffer was already present, as an autocmd
   // might have previously deleted (:bdelete) the quickfix buffer.
-  if (curbuf->b_p_bt[0] != 'q') {
+  if (!bt_quickfix(curbuf)) {
     qf_set_cwindow_options();
   }