diff --git a/lua/telescope/previewers/buffer_previewer.lua b/lua/telescope/previewers/buffer_previewer.lua
index f95f056..cf25616 100644
--- a/lua/telescope/previewers/buffer_previewer.lua
+++ b/lua/telescope/previewers/buffer_previewer.lua
@@ -279,7 +279,7 @@ previewers.file_maker = function(filepath, bufnr, opts)
                 end
               end
               -- if we still dont have a ft we need to display the binary message
-              if opts.ft == nil or opts.ft == "" and possible_binary then
+              if (opts.ft == nil or opts.ft == "") and possible_binary then
                 putils.set_preview_message(
                   bufnr,
                   opts.winid,