diff --git a/src/core/ipv4/icmp.c b/src/core/ipv4/icmp.c
index 6eaed5e8..e54a579d 100644
--- a/src/core/ipv4/icmp.c
+++ b/src/core/ipv4/icmp.c
@@ -42,7 +42,7 @@
 
 #include "lwip/stats.h"
 
-#include "snmp.h"
+#include "lwip/snmp.h"
 /*-----------------------------------------------------------------------------------*/
 void
 icmp_input(struct pbuf *p, struct netif *inp)
diff --git a/src/core/ipv4/ip.c b/src/core/ipv4/ip.c
index f03a6df7..9d985a61 100644
--- a/src/core/ipv4/ip.c
+++ b/src/core/ipv4/ip.c
@@ -55,7 +55,7 @@
 
 #include "arch/perf.h"
 
-#include "snmp.h"
+#include "lwip/snmp.h"
 #if LWIP_DHCP
 #include "lwip/dhcp.h"
 #endif /* LWIP_DHCP */
diff --git a/src/core/udp.c b/src/core/udp.c
index d08b3879..bf78d13a 100644
--- a/src/core/udp.c
+++ b/src/core/udp.c
@@ -28,7 +28,7 @@
  * 
  * Author: Adam Dunkels <adam@sics.se>
  *
- * $Id: udp.c,v 1.18 2003/02/10 13:47:47 likewise Exp $
+ * $Id: udp.c,v 1.19 2003/02/10 21:58:34 davidhaas Exp $
  */
 
 /*-----------------------------------------------------------------------------------*/
@@ -50,7 +50,7 @@
 #include "lwip/stats.h"
 
 #include "arch/perf.h"
-#include "snmp.h"
+#include "lwip/snmp.h"
 
 /*-----------------------------------------------------------------------------------*/
 
diff --git a/src/include/lwip/snmp.h b/src/include/lwip/snmp.h
index dabf9c39..ad442a38 100644
--- a/src/include/lwip/snmp.h
+++ b/src/include/lwip/snmp.h
@@ -123,6 +123,8 @@ void snmp_inc_udpoutdatagrams(void);
 #define snmp_inc_ipoutdiscards()
 #define snmp_inc_ipoutrequests()
 #define snmp_inc_ipunknownprotos()
+#define snmp_inc_ipnoroutes()
+#define snmp_inc_ipforwdatagrams()
 
 // ICMP
 #define snmp_inc_icmpinmsgs()