diff --git a/CHANGELOG b/CHANGELOG
index 36aafe7c..c88026e9 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -69,6 +69,9 @@ HISTORY
 
  ++ Bugfixes:
 
+  2011-10-09: Simon Goldschmidt
+  * ip4.c: fixed bug #34447 LWIP_IP_ACCEPT_UDP_PORT(dst_port) wrong
+
   2011-09-27: Simon Goldschmidt
   * tcp_in.c, tcp_out.c: Reset pcb->unsent_oversize in 2 more places...
 
diff --git a/src/core/ipv4/ip4.c b/src/core/ipv4/ip4.c
index 8cbaa23f..73b17ea0 100644
--- a/src/core/ipv4/ip4.c
+++ b/src/core/ipv4/ip4.c
@@ -83,7 +83,7 @@
          || (LWIP_IP_ACCEPT_UDP_PORT(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))
+#define IP_ACCEPT_LINK_LAYER_ADDRESSED_PORT(port) (LWIP_IP_ACCEPT_UDP_PORT(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))