diff --git a/runtime/plugin/vimballPlugin.vim b/runtime/plugin/vimballPlugin.vim
index cb71404..3515889 100644
--- a/runtime/plugin/vimballPlugin.vim
+++ b/runtime/plugin/vimballPlugin.vim
@@ -21,7 +21,7 @@
 com! -ra -na=+ -bang MkVimball call vimball#MkVimball(<line1>,<line2>,<bang>0,<f-args>)
 com! -na=0 UseVimball  call vimball#Vimball(1)
 com! -na=0 VimballList call vimball#Vimball(0)
-au BufReadPost *.vba echohl WarningMsg | echo "Source this file to extract it! (:so %)" | echohl None
+au BufEnter *.vba echohl WarningMsg | echo "Source this file to extract it! (:so %)" | echohl None
 
 let &cpo= s:keepcpo
 unlet s:keepcpo