diff --git a/glue-lwip/arduino/lwipopts.h b/glue-lwip/arduino/lwipopts.h
index 8d50aef55..6b15d36cd 100644
--- a/glue-lwip/arduino/lwipopts.h
+++ b/glue-lwip/arduino/lwipopts.h
@@ -655,7 +655,7 @@
  * packet in a row to an IP address that is not in the ARP cache.
  */
 #if !defined ARP_QUEUEING || defined __DOXYGEN__
-#define ARP_QUEUEING                    0
+#define ARP_QUEUEING                    1
 #endif
 
 /** The maximum number of packets which may be queued for each