diff --git a/plugin/startify.vim b/plugin/startify.vim
index c89eee0..dc2f143 100644
--- a/plugin/startify.vim
+++ b/plugin/startify.vim
@@ -15,7 +15,7 @@ let g:startify_session_dir = resolve(expand(get(g:, 'startify_session_dir',
 augroup startify
   autocmd!
   autocmd VimEnter *
-        \ if !argc() && (line2byte('$') == -1) && (v:progname =~# '^[gm]\=vim\%[\.exe]$') |
+        \ if !argc() && (line2byte('$') == -1) && (v:progname =~? '^[gm]\=vim\%[\.exe]$') |
         \   call s:insane_in_the_membrane() |
         \ endif
 augroup END