diff --git a/include/configs/kilauea.h b/include/configs/kilauea.h
index 57cc90a6de..c7c42a4cdf 100644
--- a/include/configs/kilauea.h
+++ b/include/configs/kilauea.h
@@ -292,6 +292,7 @@
 #define CONFIG_BOOTP_BOOTPATH
 #define CONFIG_BOOTP_GATEWAY
 #define CONFIG_BOOTP_HOSTNAME
+#define CONFIG_BOOTP_SUBNETMASK
 
 /*
  * Command line configuration.