diff --git a/src/network/access/http2/http2protocol_p.h b/src/network/access/http2/http2protocol_p.h
index fb5ff199c5c..f0f18d1dd54 100644
--- a/src/network/access/http2/http2protocol_p.h
+++ b/src/network/access/http2/http2protocol_p.h
@@ -117,7 +117,7 @@ const qint32 maxSessionReceiveWindowSize((quint32(1) << 31) - 1);
 // Presumably, we never use up to 100 streams so let it be 10 simultaneous:
 const qint32 qtDefaultStreamReceiveWindowSize = maxSessionReceiveWindowSize / 10;
 
-struct Frame configurationToSettingsFrame(const QHttp2Configuration &configuration);
+struct Frame Q_AUTOTEST_EXPORT configurationToSettingsFrame(const QHttp2Configuration &configuration);
 QByteArray settingsFrameToBase64(const Frame &settingsFrame);
 void appendProtocolUpgradeHeaders(const QHttp2Configuration &configuration, QHttpNetworkRequest *request);
 std::vector<uchar> assemble_hpack_block(const std::vector<Frame> &frames);