diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c
index 740daaf..55a672a 100644
--- a/networking/udhcp/dhcpc.c
+++ b/networking/udhcp/dhcpc.c
@@ -76,7 +76,7 @@
 	arp: "\0\0\0\0\0\0",		/* appease gcc-3.0 */
 };
 
-#ifndef BB_VER
+#ifndef IN_BUSYBOX
 static void __attribute__ ((noreturn)) show_usage(void)
 {
 	printf(
diff --git a/networking/udhcp/dumpleases.c b/networking/udhcp/dumpleases.c
index 2b19d97..014f73f 100644
--- a/networking/udhcp/dumpleases.c
+++ b/networking/udhcp/dumpleases.c
@@ -28,7 +28,7 @@
 	u_int32_t expires;
 };
 
-#ifdef BB_VER
+#ifdef IN_BUSYBOX
 int dumpleases_main(int argc, char *argv[])
 #else
 int main(int argc, char *argv[])
diff --git a/networking/udhcp/libbb_udhcp.h b/networking/udhcp/libbb_udhcp.h
index 35611b0..e094298 100644
--- a/networking/udhcp/libbb_udhcp.h
+++ b/networking/udhcp/libbb_udhcp.h
@@ -3,7 +3,7 @@
 #ifndef _LIBBB_UDHCP_H
 #define _LIBBB_UDHCP_H
 
-#ifdef BB_VER
+#ifdef IN_BUSYBOX
 #include "libbb.h"
 
 #ifdef CONFIG_FEATURE_UDHCP_SYSLOG