diff --git a/src/include/lwip/opt.h b/src/include/lwip/opt.h
index abecdb45..1ccd2a83 100644
--- a/src/include/lwip/opt.h
+++ b/src/include/lwip/opt.h
@@ -927,7 +927,7 @@
  * LWIP_DHCP_DOES_ACD_CHECK==1: Perform address conflict detection on the dhcp address.
  */
 #if !defined LWIP_DHCP_DOES_ACD_CHECK || defined __DOXYGEN__
-#define LWIP_DHCP_DOES_ACD_CHECK        1
+#define LWIP_DHCP_DOES_ACD_CHECK        LWIP_DHCP
 #endif
 
 /**