diff --git a/after/ftplugin/lua.vim b/after/ftplugin/lua.vim
index 193a5d1..73b1a8f 100644
--- a/after/ftplugin/lua.vim
+++ b/after/ftplugin/lua.vim
@@ -2,7 +2,7 @@
 set formatoptions-=o
 set formatoptions-=r
 
-nnoremap <silent> <F9> :luafile %<CR>
+nnoremap <buffer><silent> <F9> :luafile %<CR>
 
 " For delimitMate
 let b:delimitMate_matchpairs = "(:),[:],{:}"
diff --git a/after/ftplugin/vim.vim b/after/ftplugin/vim.vim
index 4e9a2a4..17dcedb 100644
--- a/after/ftplugin/vim.vim
+++ b/after/ftplugin/vim.vim
@@ -12,4 +12,4 @@ set foldmethod=expr foldexpr=utils#VimFolds(v:lnum) foldtext=utils#MyFoldText()
 " see `:h K` and https://stackoverflow.com/q/15867323/6064933
 set keywordprg=:help
 
-nnoremap <silent> <F9> :source %<CR>
+nnoremap <buffer><silent> <F9> :source %<CR>