diff --git a/libraries/lwIP_Ethernet/src/LwipIntfDev.h b/libraries/lwIP_Ethernet/src/LwipIntfDev.h
index b2afe8898..55c79b93c 100644
--- a/libraries/lwIP_Ethernet/src/LwipIntfDev.h
+++ b/libraries/lwIP_Ethernet/src/LwipIntfDev.h
@@ -463,6 +463,7 @@ void LwipIntfDev<RawDev>::end() {
     if (_started) {
         if (_isDHCP) {
             dhcp_stop(&_netif);
+            dhcp_cleanup(&_netif);
         }
         if (_intrPin < 0) {
             __removeEthernetPacketHandler(_phID);