diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/portable/BufferManagement/BufferAllocation_1.c b/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/portable/BufferManagement/BufferAllocation_1.c
index 7c405a156..5b100de97 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/portable/BufferManagement/BufferAllocation_1.c
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/portable/BufferManagement/BufferAllocation_1.c
@@ -60,6 +60,7 @@
 
 /* FreeRTOS+UDP includes. */
 #include "FreeRTOS_UDP_IP.h"
+#include "FreeRTOS_IP_Private.h"
 #include "NetworkInterface.h"
 
 /* For an Ethernet interrupt to be able to obtain a network buffer there must