diff --git a/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/TCPEchoClient_SingleTasks.c b/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/TCPEchoClient_SingleTasks.c
index 0f9dcc9082..a7ffaf45a4 100644
--- a/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/TCPEchoClient_SingleTasks.c
+++ b/FreeRTOS-Plus/Demo/FreeRTOS_Plus_TCP_IPv6_Demo/IPv6_Multi_WinSim_demo/TCPEchoClient_SingleTasks.c
@@ -273,7 +273,7 @@
             }
             else
             {
-                rc = FreeRTOS_inet_pton( FREERTOS_AF_INET4, configECHO_SERVER_ADDR_STRING, ( void * ) xEchoServerAddress.sin_address.xIP_IPv6.ucBytes );
+                rc = FreeRTOS_inet_pton( FREERTOS_AF_INET4, configECHO_SERVER_ADDR_STRING, ( void * ) &( xEchoServerAddress.sin_address.ulIP_IPv4 ) );
                 configASSERT( rc == pdPASS );
                 xFamily = FREERTOS_AF_INET4;
             }