diff --git a/src/core/ipv4/ip.c b/src/core/ipv4/ip.c
index 303f011e..725f7db8 100644
--- a/src/core/ipv4/ip.c
+++ b/src/core/ipv4/ip.c
@@ -81,10 +81,10 @@
 /* accept DHCP client port and custom port */
 #define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) (((port) == PP_NTOHS(DHCP_CLIENT_PORT)) \
          || (LWIP_IP_ACCEPT_UDP_PORT(dst_port)))
-#elif defined(LWIP_IP_ACCEPT_UDP_PORT) /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) *)
+#elif defined(LWIP_IP_ACCEPT_UDP_PORT) /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */
 /* accept custom port only */
 #define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) (LWIP_IP_ACCEPT_UDP_PORT(dst_port))
-#else /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) *)
+#else /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */
 /* accept DHCP client port only */
 #define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) ((port) == PP_NTOHS(DHCP_CLIENT_PORT))
 #endif /* LWIP_DHCP && defined(LWIP_IP_ACCEPT_UDP_PORT) */