diff --git a/FreeRTOS/Demo/Common/ethernet/lwip-1.4.0/src/include/lwip/debug.h b/FreeRTOS/Demo/Common/ethernet/lwip-1.4.0/src/include/lwip/debug.h
index d8359ea3a5..1950a3e2eb 100644
--- a/FreeRTOS/Demo/Common/ethernet/lwip-1.4.0/src/include/lwip/debug.h
+++ b/FreeRTOS/Demo/Common/ethernet/lwip-1.4.0/src/include/lwip/debug.h
@@ -63,7 +63,7 @@
 
 #ifndef LWIP_NOASSERT
 #define LWIP_ASSERT(message, assertion) do { if(!(assertion)) \
-  LWIP_PLATFORM_ASSERT(message); } while(0)
+	{ LWIP_PLATFORM_ASSERT(message); } } while(0)
 #else  /* LWIP_NOASSERT */
 #define LWIP_ASSERT(message, assertion) 
 #endif /* LWIP_NOASSERT */