diff --git a/lib/libwebsockets.c b/lib/libwebsockets.c index 6a0ef37f..1f024a68 100644 --- a/lib/libwebsockets.c +++ b/lib/libwebsockets.c @@ -1180,7 +1180,7 @@ libwebsocket_service_fd(struct libwebsocket_context *context, libwebsockets_00_spaceout(key_1, spaces_1, seed); libwebsockets_00_spaceout(key_2, spaces_2, seed >> 16); - p += sprintf(p, "Upgrade: websocket\x0d\x0a" + p += sprintf(p, "Upgrade: WebSocket\x0d\x0a" "Connection: Upgrade\x0d\x0aHost: %s\x0d\x0a", wsi->c_host); if (wsi->c_origin)