diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 567c0a3..0de6171 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1462,6 +1462,9 @@
 " Oblivion Language and Oblivion Script Extender
 au BufNewFile,BufRead *.obl,*.obse,*.oblivion,*.obscript  setf obse
 
+" Objdump
+au BufNewFile,BufRead *.objdump,*.cppobjdump  setf objdump
+
 " OCaml
 au BufNewFile,BufRead *.ml,*.mli,*.mll,*.mly,.ocamlinit,*.mlt,*.mlp,*.mlip,*.mli.cppo,*.ml.cppo setf ocaml
 
diff --git a/runtime/ftplugin/objdump.vim b/runtime/ftplugin/objdump.vim
new file mode 100644
index 0000000..7517a34
--- /dev/null
+++ b/runtime/ftplugin/objdump.vim
@@ -0,0 +1,14 @@
+" Vim filetype plugin file
+" Language:     Objdump
+" Maintainer:   Colin Kennedy <colinvfx@gmail.com>
+" Last Change:  2023 October 25
+
+if exists("b:did_ftplugin")
+  finish
+endif
+
+let b:did_ftplugin = 1
+
+let b:undo_ftplugin = "setlocal cms<"
+
+setlocal commentstring=#\ %s