diff --git a/nshlib/nsh_command.c b/nshlib/nsh_command.c
index 80d1b4a0b..8880df437 100644
--- a/nshlib/nsh_command.c
+++ b/nshlib/nsh_command.c
@@ -476,9 +476,9 @@ static const struct cmdmap_s g_cmdmap[] =
 #endif
 
 #if defined(CONFIG_RPTUN) && !defined(CONFIG_NSH_DISABLE_RPTUN)
-  { "rptun",    cmd_rptun,    3, 6,
-    "<start|stop|reset|panic|dump|ping> <path|all> "
-    "[value|times length ack]" },
+  { "rptun",    cmd_rptun,    3, 7,
+    "<start|stop|reset|panic|dump|ping> <path|all>"
+    " [value|times length ack sleep]" },
 #endif
 
 #ifndef CONFIG_NSH_DISABLE_SET
diff --git a/nshlib/nsh_syscmds.c b/nshlib/nsh_syscmds.c
index 9bdc9dad3..277ecd46d 100644
--- a/nshlib/nsh_syscmds.c
+++ b/nshlib/nsh_syscmds.c
@@ -393,7 +393,8 @@ static int cmd_rptun_once(FAR struct nsh_vtbl_s *vtbl,
     }
   else if (strcmp(argv[1], "ping") == 0)
     {
-      if (argv[3] == 0 || argv[4] == 0 || argv[5] == 0)
+      if (argv[3] == 0 || argv[4] == 0 ||
+          argv[5] == 0 || argv[6] == 0)
         {
           return ERROR;
         }
@@ -401,6 +402,7 @@ static int cmd_rptun_once(FAR struct nsh_vtbl_s *vtbl,
       ping.times = atoi(argv[3]);
       ping.len   = atoi(argv[4]);
       ping.ack   = atoi(argv[5]);
+      ping.sleep = atoi(argv[6]);
 
       cmd = RPTUNIOC_PING;
       val = (unsigned long)&ping;