diff --git a/plugin/airline.vim b/plugin/airline.vim
index cbd3e28..1d5ddcd 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -43,6 +43,7 @@ function! s:on_window_changed()
   " different autocommands.
   let l:key = [bufnr('%'), winnr(), winnr('$'), tabpagenr()]
   if get(g:, 'airline_last_window_changed', []) == l:key
+        \ && &stl is# '%!airline#statusline('.winnr().')'
     return
   endif
   let g:airline_last_window_changed = l:key