diff --git a/autoload/airline/extensions/tabline/buffers.vim b/autoload/airline/extensions/tabline/buffers.vim
index 6327b6f..0a71cd0 100644
--- a/autoload/airline/extensions/tabline/buffers.vim
+++ b/autoload/airline/extensions/tabline/buffers.vim
@@ -164,7 +164,7 @@ function! s:get_number(index)
   endif
   let bidx_mode = get(g:, 'airline#extensions#tabline#buffer_idx_mode', 0)
   if bidx_mode > 1
-    return join(map(split(a:index+10, '\zs'), 'get(s:number_map, v:val, "")'), '')
+    return join(map(split(a:index+11, '\zs'), 'get(s:number_map, v:val, "")'), '')
   else
     return get(s:number_map, a:index+1, '')
   endif
@@ -203,8 +203,8 @@ function! s:map_keys()
         exe printf('noremap <silent> <Plug>AirlineSelectTab%d :call <SID>select_tab(%d)<CR>', i, i-1)
       endfor
     else
-      for i in range(10, 99)
-        exe printf('noremap <silent> <Plug>AirlineSelectTab%d :call <SID>select_tab(%d)<CR>', i, i-10)
+      for i in range(11, 99)
+        exe printf('noremap <silent> <Plug>AirlineSelectTab%d :call <SID>select_tab(%d)<CR>', i, i-11)
       endfor
     endif
     noremap <silent> <Plug>AirlineSelectPrevTab :<C-u>call <SID>jump_to_tab(-v:count1)<CR>
diff --git a/autoload/airline/extensions/tabline/tabs.vim b/autoload/airline/extensions/tabline/tabs.vim
index dba63b0..7412cdd 100644
--- a/autoload/airline/extensions/tabline/tabs.vim
+++ b/autoload/airline/extensions/tabline/tabs.vim
@@ -110,8 +110,8 @@ function! airline#extensions#tabline#tabs#map_keys()
       exe printf('noremap <silent> <Plug>AirlineSelectTab%d :%dtabn<CR>', i, i)
     endfor
   else
-      for i in range(10, 99)
-        exe printf('noremap <silent> <Plug>AirlineSelectTab%d :%dtabn<CR>', i, i-9)
+      for i in range(11, 99)
+        exe printf('noremap <silent> <Plug>AirlineSelectTab%d :%dtabn<CR>', i, i-10)
       endfor
     endif
   noremap <silent> <Plug>AirlineSelectPrevTab gT