diff --git a/autoload/airline/builder.vim b/autoload/airline/builder.vim
index 9dcc66a..6c28f0b 100644
--- a/autoload/airline/builder.vim
+++ b/autoload/airline/builder.vim
@@ -51,6 +51,8 @@ function! s:prototype.build()
     let prev_group = s:get_prev_group(self._sections, i)
     if group ==# 'airline_c' && !self._context.active && has_key(self._context, 'bufnr')
       let group = 'airline_c'. self._context.bufnr
+    elseif prev_group ==# 'airline_c' && !self._context.active && has_key(self._context, 'bufnr')
+      let prev_group = 'airline_c'. self._context.bufnr
     endif
     if is_empty
       let prev_group = pgroup