diff --git a/after/ftplugin/python.vim b/after/ftplugin/python.vim
index 3752f50..5e1125d 100644
--- a/after/ftplugin/python.vim
+++ b/after/ftplugin/python.vim
@@ -24,7 +24,7 @@ setlocal encoding=utf-8
 
 " Set up file format
 setlocal fileformat=unix
-let python_highlight_all=1
+let g:python_highlight_all=1
 
 " Mappings
 nnoremap K :YcmCompleter GetDoc<CR>