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-rw-r--r--bsp/lpc176x/rtconfig.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/bsp/lpc176x/rtconfig.h b/bsp/lpc176x/rtconfig.h
index 5096b2f71d..c15fc48ee5 100644
--- a/bsp/lpc176x/rtconfig.h
+++ b/bsp/lpc176x/rtconfig.h
@@ -157,6 +157,7 @@
// <section name="RT_USING_LWIP" description="lwip, a lightweight TCP/IP protocol stack" default="true" >
#define RT_USING_LWIP
+#define RT_USING_LWIP203
// <bool name="RT_LWIP_ICMP" description="Enable ICMP protocol" default="true" />
#define RT_LWIP_ICMP
// <bool name="RT_LWIP_IGMP" description="Enable IGMP protocol" default="false" />