diff --git a/net/uob-nomad/Makefile b/net/uob-nomad/Makefile
index cdf673c13..937b2d5f4 100644
--- a/net/uob-nomad/Makefile
+++ b/net/uob-nomad/Makefile
@@ -38,6 +38,8 @@ This is an implementation of NOMADv4 (Filters for
 	status information to the UoB-NOMAD-GUI (ver 0.1).
 endef
 
+TARGET_CFLAGS += -include stddef.h -include string.h
+
 MAKE_FLAGS = \
 	CC="$(TARGET_CC) $(TARGET_CFLAGS)"