diff --git a/components/lwip/port/esp32/include/sys/socket.h b/components/lwip/port/esp32/include/sys/socket.h
index 0ed9baf3d9..5ea4db4ab8 100644
--- a/components/lwip/port/esp32/include/sys/socket.h
+++ b/components/lwip/port/esp32/include/sys/socket.h
@@ -31,3 +31,8 @@
  */
 
 #include "lwip/sockets.h"
+/*
+	SOMAXCONN is expected to be found in this header too,
+	while for ESP32 port is defined in net/if.h
+*/
+#include <net/if.h>