diff --git a/autoload/dpp/source.vim b/autoload/dpp/source.vim
index 0c9068f..8546d09 100644
--- a/autoload/dpp/source.vim
+++ b/autoload/dpp/source.vim
@@ -107,7 +107,8 @@ function dpp#source#_source(plugins, function_prefix) abort
 
   if (is_reset || filetype_before !=# filetype_after) && &l:filetype !=# ''
     " Recall FileType autocmd
-    let &l:filetype = &l:filetype
+    " NOTE: Use silent! because ftplugins may be broken.
+    silent! let &l:filetype = &l:filetype
   endif
 
   if !has('vim_starting')