diff --git a/runtime/ftplugin/rmd.vim b/runtime/ftplugin/rmd.vim
index 7b0db8d..2ee72ff 100644
--- a/runtime/ftplugin/rmd.vim
+++ b/runtime/ftplugin/rmd.vim
@@ -2,7 +2,7 @@
 " Language: R Markdown file
 " Maintainer: Jakson Alves de Aquino <jalvesaq@gmail.com>
 " Homepage: https://github.com/jalvesaq/R-Vim-runtime
-" Last Change:	Sun Jul 22, 2018  06:51PM
+" Last Change:	Sat Aug 15, 2020  12:03PM
 " Original work by Alex Zvoleff (adjusted from R help for rmd by Michel Kuhlmann)
 
 " Only do this when not yet done for this buffer
@@ -46,7 +46,7 @@
 " Don't load another plugin for this buffer
 let b:did_ftplugin = 1
 
-if has("gui_win32") && !exists("b:browsefilter")
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
   let b:browsefilter = "R Source Files (*.R *.Rnw *.Rd *.Rmd *.Rrst)\t*.R;*.Rnw;*.Rd;*.Rmd;*.Rrst\n" .
         \ "All Files (*.*)\t*.*\n"
 endif