diff --git a/networking/udhcp/libbb_udhcp.h b/networking/udhcp/libbb_udhcp.h
index 9b5d5a8..ee85b15 100644
--- a/networking/udhcp/libbb_udhcp.h
+++ b/networking/udhcp/libbb_udhcp.h
@@ -4,7 +4,7 @@
  * (for busybox) */
 
 #ifdef CONFIG_INSTALL_NO_USR
-#undef DEFUALT_SCRIPT
+#undef DEFAULT_SCRIPT
 #define DEFAULT_SCRIPT  "/share/udhcpc/default.script"
 #endif