diff --git a/ftdetect/UltiSnips.vim b/ftdetect/UltiSnips.vim
index 75fe3c2..446cf66 100644
--- a/ftdetect/UltiSnips.vim
+++ b/ftdetect/UltiSnips.vim
@@ -7,5 +7,11 @@ if exists("vimpager")
 endif
 
 if has("autocmd")
-  autocmd FileType * call UltiSnips#FileTypeChanged()
+    augroup UltiSnipsFileType
+        au!
+        autocmd FileType * call UltiSnips#FileTypeChanged()
+    augroup END
+
+    " restore 'filetypedetect' group declaration
+    augroup filetypedetect
 endif