diff --git a/extmod/modlwip.c b/extmod/modlwip.c
index e3fc5068dd..0355342e79 100644
--- a/extmod/modlwip.c
+++ b/extmod/modlwip.c
@@ -1076,6 +1076,9 @@ STATIC const mp_map_elem_t mp_module_lwip_globals_table[] = {
     { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_STREAM), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_SOCK_STREAM) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_DGRAM), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_SOCK_DGRAM) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_SOCK_RAW), MP_OBJ_NEW_SMALL_INT(MOD_NETWORK_SOCK_RAW) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SOL_SOCKET), MP_OBJ_NEW_SMALL_INT(1) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_SO_REUSEADDR), MP_OBJ_NEW_SMALL_INT(SOF_REUSEADDR) },
 };
 
 STATIC MP_DEFINE_CONST_DICT(mp_module_lwip_globals, mp_module_lwip_globals_table);
diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index b127537329..f5e06f1a52 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -697,6 +697,8 @@ Q(AF_INET6)
 Q(SOCK_STREAM)
 Q(SOCK_DGRAM)
 Q(SOCK_RAW)
+Q(SOL_SOCKET)
+Q(SO_REUSEADDR)
 // for lwip.socket
 Q(close)
 Q(bind)