diff --git a/autoload/airline/extensions/coc.vim b/autoload/airline/extensions/coc.vim
index a16ed1f0..a10f4f43 100644
--- a/autoload/airline/extensions/coc.vim
+++ b/autoload/airline/extensions/coc.vim
@@ -38,7 +38,8 @@ function! airline#extensions#coc#get(type) abort
   if empty(cnt)
     return ''
   else
-    return (is_err ? s:error_symbol : s:warning_symbol).cnt
+    let lnum = printf('(L%d)', (info.lnums)[0])
+    return (is_err ? s:error_symbol : s:warning_symbol).cnt.lnum
   endif
 endfunction