--- src/system.h.orig	2013-02-02 12:39:05.000000000 +0800
+++ src/system.h	2014-06-08 17:00:54.000000000 +0800
@@ -201,6 +201,7 @@
     && (s)->st_gid == (t)->st_gid \
     && (s)->st_size == (t)->st_size \
     && (s)->st_mtime == (t)->st_mtime \
+    && (s)->st_mtimespec.tv_nsec == (t)->st_mtimespec.tv_nsec \
     && (s)->st_ctime == (t)->st_ctime)
 #endif