diff --git a/platform/win32/contiki-conf.h b/platform/win32/contiki-conf.h
index 0441bebd9..81d6b9fcd 100644
--- a/platform/win32/contiki-conf.h
+++ b/platform/win32/contiki-conf.h
@@ -61,8 +61,8 @@ typedef unsigned short uip_stats_t;
 #define UIP_CONF_TCP_SPLIT           1
 #define UIP_CONF_LOGGING             1
 #define UIP_CONF_UDP_CHECKSUMS       1
-#if NETSTACK_CONF_WITH_IPV6
 #define UIP_CONF_IP_FORWARD          0
+#if NETSTACK_CONF_WITH_IPV6
 #define NBR_TABLE_CONF_MAX_NEIGHBORS 100
 #define UIP_CONF_DS6_DEFRT_NBU       2
 #define UIP_CONF_DS6_PREFIX_NBU      5
@@ -70,8 +70,6 @@ typedef unsigned short uip_stats_t;
 #define UIP_CONF_DS6_ADDR_NBU        10
 #define UIP_CONF_DS6_MADDR_NBU       0  //VC++ does not allow zero length arrays
 #define UIP_CONF_DS6_AADDR_NBU       0  //inside a struct
-#else
-#define UIP_CONF_IP_FORWARD          1
 #endif
 
 #define RESOLV_CONF_SUPPORTS_MDNS              0