diff --git a/platform/avr-ravenusb/Makefile.avr-ravenusb b/platform/avr-ravenusb/Makefile.avr-ravenusb
index 6ef6ae603..392e27689 100644
--- a/platform/avr-ravenusb/Makefile.avr-ravenusb
+++ b/platform/avr-ravenusb/Makefile.avr-ravenusb
@@ -36,6 +36,11 @@ CONTIKIBOARD=.
 
 CONTIKI_PLAT_DEFS = -DF_CPU=8000000UL -DAVRGCC -DAUTO_CRC_PADDING=2 -DJACKDAW=1
 
+#The no-net build using fakeuip.c is always ipv6
+ifdef CONTIKI_NO_NET
+CONTIKI_PLAT_DEFS+= -DUIP_CONF_IPV6=1
+endif
+
 
 MCU=at90usb1287
 AVRDUDE_PROGRAMMER=jtag2