diff --git a/ext/cpp-httplib/httplib.h b/ext/cpp-httplib/httplib.h
index dfdd260ab3..ace8c5740b 100644
--- a/ext/cpp-httplib/httplib.h
+++ b/ext/cpp-httplib/httplib.h
@@ -3163,7 +3163,7 @@ socket_t create_socket(const std::string &host, const std::string &ip, int port,
     if (socket_options) { socket_options(sock); }
 
     if (rp->ai_family == AF_INET6) {
-      auto no = 0;
+      auto no = 1;
 #ifdef _WIN32
       setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
                  reinterpret_cast<const char *>(&no), sizeof(no));