diff --git a/autoload/airline.vim b/autoload/airline.vim
index e77e13b..85b1e33 100644
--- a/autoload/airline.vim
+++ b/autoload/airline.vim
@@ -163,6 +163,13 @@ function! airline#update_highlight()
       let l:mode = ['normal']
     endif
     let g:airline_current_mode_text = get(g:airline_mode_map, l:m, l:m)
+    if g:airline_detect_iminsert && &iminsert
+      if exists('b:keymap_name')
+        let g:airline_current_mode_text .= ' ' . toupper(b:keymap_name)
+      else
+        let g:airline_current_mode_text .= ' LANG'
+      endif
+    endif
   else
     let l:mode = ['inactive']
   endif
diff --git a/doc/airline.txt b/doc/airline.txt
index f8e1b00..2876834 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -68,6 +68,9 @@ values):
 >
   let g:airline_detect_paste=1
 <
+* enable iminsert detection
+>
+  let g:airline_detect_iminsert=1
 
 * change the default theme
 >
diff --git a/plugin/airline.vim b/plugin/airline.vim
index 4a13995..4778ce3 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -15,6 +15,7 @@ call s:check_defined('g:airline_right_alt_sep', exists('g:airline_powerline_font
 call s:check_defined('g:airline_enable_bufferline', 1)
 call s:check_defined('g:airline_enable_fugitive', 1)
 call s:check_defined('g:airline_enable_syntastic', 1)
+call s:check_defined('g:airline_detect_iminsert', 1)
 call s:check_defined('g:airline_detect_modified', 1)
 call s:check_defined('g:airline_detect_paste', 1)
 call s:check_defined('g:airline_fugitive_prefix', exists('g:airline_powerline_fonts')?' ':'')