diff --git a/autoload/airline.vim b/autoload/airline.vim
index 8cc903b..f6dab68 100644
--- a/autoload/airline.vim
+++ b/autoload/airline.vim
@@ -105,6 +105,8 @@ function! s:get_statusline(winnr, active)
     let sl.=a:active ? g:airline_right_sep : g:airline_right_alt_sep
     let sl.=l:mode_color
     let sl.=s:get_section(a:winnr, 'z')
+    let sl.="%#Al3#"
+    let sl.='%{g:airline_detect_white_space && search(" $","nw") ? " ✹ " : ""}'
   endif
   return sl
 endfunction
diff --git a/plugin/airline.vim b/plugin/airline.vim
index 3de3d27..36e7e66 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -27,6 +27,7 @@ call s:check_defined('g:airline_enable_tagbar', 1)
 call s:check_defined('g:airline_detect_iminsert', 0)
 call s:check_defined('g:airline_detect_modified', 1)
 call s:check_defined('g:airline_detect_paste', 1)
+call s:check_defined('g:airline_detect_white_space', 1)
 call s:check_defined('g:airline_branch_prefix', exists('g:airline_powerline_fonts')?' ':'')
 call s:check_defined('g:airline_readonly_symbol', exists('g:airline_powerline_fonts')?'':'RO')
 call s:check_defined('g:airline_linecolumn_prefix', exists('g:airline_powerline_fonts')?' ':':')