--- PATCHES.orig	2017-09-10 21:57:09 UTC
+++ PATCHES
@@ -0,0 +1 @@
+patch-1.5.7.ust.maildir-mtime.2
--- browser.c.orig	2017-09-10 21:56:59 UTC
+++ browser.c
@@ -35,6 +35,7 @@
 #ifdef USE_NNTP
 #include "nntp.h"
 #endif
+#include "mx.h"
 
 #include <stdlib.h>
 #include <dirent.h>
@@ -545,6 +546,21 @@ static void init_state (struct browser_s
     menu->data = state->entry;
 }
 
+static void check_maildir_times (BUFFY *buf, struct stat *st)
+{
+  char buffer[_POSIX_PATH_MAX + SHORT_STRING];
+  struct stat s;
+
+  if(!buf || buf->magic != MUTT_MAILDIR)
+    return;
+
+  snprintf (buffer, sizeof (buffer), "%s/tmp", buf->path);
+  if (lstat (buffer, &s) != 0)
+    return;
+
+  st->st_mtime = s.st_mtime;
+}
+
 /* get list of all files/newsgroups with mask */
 static int examine_directory (MUTTMENU *menu, struct browser_state *state,
 			      char *d, const char *prefix)
@@ -634,6 +650,7 @@ static int examine_directory (MUTTMENU *
     tmp = Incoming;
     while (tmp && mutt_strcmp (buffer, tmp->path))
       tmp = tmp->next;
+    check_maildir_times (tmp, &s);
     if (tmp && Context &&
         !mutt_strcmp (tmp->realpath, Context->realpath))
     {
@@ -737,6 +754,7 @@ static int examine_mailboxes (MUTTMENU *
 	s.st_mtime = st2.st_mtime;
     }
 
+    check_maildir_times (tmp, &s);
     add_folder (menu, state, buffer, &s, tmp, NULL);
   }
   while ((tmp = tmp->next));
