diff --git a/include/nuttx/coredump.h b/include/nuttx/coredump.h
index a48941b6d6..273c0f7cbf 100644
--- a/include/nuttx/coredump.h
+++ b/include/nuttx/coredump.h
@@ -51,10 +51,10 @@
 
 struct coredump_info_s
 {
-  uint32_t       magic;
-  struct utsname name;
-  time_t         time;
-  size_t         size;
+  uint32_t        magic;
+  struct utsname  name;
+  struct timespec time;
+  size_t          size;
 };
 
 /****************************************************************************
diff --git a/sched/misc/coredump.c b/sched/misc/coredump.c
index d954a27b77..13947390cb 100644
--- a/sched/misc/coredump.c
+++ b/sched/misc/coredump.c
@@ -720,7 +720,7 @@ static void coredump_dump_blkdev(pid_t pid)
 
   info->magic = COREDUMP_MAGIC;
   info->size  = g_blockstream.common.nput;
-  info->time  = time(NULL);
+  clock_gettime(CLOCK_REALTIME, &info->time);
   uname(&info->name);
   ret = g_blockstream.inode->u.i_bops->write(g_blockstream.inode,
       (FAR void *)info, g_blockstream.geo.geo_nsectors - nsectors, nsectors);