diff --git a/plugin/syntastic.vim b/plugin/syntastic.vim
index c79099e8..2d2784e1 100644
--- a/plugin/syntastic.vim
+++ b/plugin/syntastic.vim
@@ -19,7 +19,7 @@ if has('reltime')
     lockvar! g:syntastic_start
 endif
 
-let g:syntastic_version = '3.5.0-52'
+let g:syntastic_version = '3.5.0-53'
 lockvar g:syntastic_version
 
 " Sanity checks {{{1
diff --git a/plugin/syntastic/registry.vim b/plugin/syntastic/registry.vim
index 166ae031..d933f282 100644
--- a/plugin/syntastic/registry.vim
+++ b/plugin/syntastic/registry.vim
@@ -97,6 +97,7 @@ lockvar! s:defaultCheckers
 
 let s:defaultFiletypeMap = {
         \ 'gentoo-metadata': 'xml',
+        \ 'groff': 'nroff',
         \ 'lhaskell': 'haskell',
         \ 'litcoffee': 'coffee',
         \ 'mail': 'text',