diff --git a/platform/sky/Makefile.sky b/platform/sky/Makefile.sky
index 8c39a6c28..52a195768 100644
--- a/platform/sky/Makefile.sky
+++ b/platform/sky/Makefile.sky
@@ -10,3 +10,4 @@ endif
 
 include $(CONTIKI)/platform/sky/Makefile.common
 
+MODULES += core/net/ipv6 core/net/ipv4 core/net/rime core/net/mac/contikimac dev/cc2420
diff --git a/platform/z1/Makefile.z1 b/platform/z1/Makefile.z1
index 8205f96d2..f373e925e 100644
--- a/platform/z1/Makefile.z1
+++ b/platform/z1/Makefile.z1
@@ -4,3 +4,5 @@ CONTIKI_TARGET_SOURCEFILES += contiki-z1-platform.c
 CLEAN += *.z1 
 
 include $(CONTIKI)/platform/z1/Makefile.common
+
+MODULES += core/net/ipv6 core/net/ipv4 core/net/rime core/net/mac/contikimac dev/cc2420