diff --git a/reactos/base/services/dhcp/dhcp.rbuild b/reactos/base/services/dhcp/dhcp.rbuild
index c886e4a4918..85e5147d834 100644
--- a/reactos/base/services/dhcp/dhcp.rbuild
+++ b/reactos/base/services/dhcp/dhcp.rbuild
@@ -9,6 +9,7 @@
 	<define name="close">_close</define>
 	<define name="read">_read</define>
 	<define name="write">_write</define>
+	<define name="NO_OLDNAMES">1</define>
 
 	<library>ntdll</library>
 	<library>ws2_32</library>