--- samba-3.6.12/source3/lib/system.c.orig	2013-05-08 10:27:59.777009968 -0700
+++ samba-3.6.12/source3/lib/system.c	2013-05-08 10:44:42.772639580 -0700
@@ -529,11 +529,14 @@ static void make_create_timespec(const s
 void update_stat_ex_mtime(struct stat_ex *dst,
 				struct timespec write_ts)
 {
-	dst->st_ex_mtime = write_ts;
-
-	/* We may have to recalculate btime. */
-	if (dst->st_ex_calculated_birthtime) {
-		dst->st_ex_btime = calc_create_time_stat_ex(dst);
+	/* Update the old write timestamp only for files */ 
+	if(!S_ISDIR(dst->st_ex_mode)) {
+		dst->st_ex_mtime = write_ts;
+
+		/* We may have to recalculate btime. */
+		if (dst->st_ex_calculated_birthtime) {
+			dst->st_ex_btime = calc_create_time_stat_ex(dst);
+		}
 	}
 }