diff --git a/runtime/ftplugin/m3build.vim b/runtime/ftplugin/m3build.vim
new file mode 100644
index 0000000..9e1e169
--- /dev/null
+++ b/runtime/ftplugin/m3build.vim
@@ -0,0 +1,24 @@
+" Vim filetype plugin file
+" Language:	Modula-3 Makefile
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2021 April 15
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+runtime! ftplugin/m3quake.vim
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Modula-3 Makefile (m3makefile m3overrides)\tm3makefile;m3overrides\n" ..
+	\	       "All Files (*.*)\t*.*\n"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8 noet: