diff --git a/src/network/ssl/qsslpresharedkeyauthenticator.h b/src/network/ssl/qsslpresharedkeyauthenticator.h
index a012ff489ae..74ab8880002 100644
--- a/src/network/ssl/qsslpresharedkeyauthenticator.h
+++ b/src/network/ssl/qsslpresharedkeyauthenticator.h
@@ -45,6 +45,8 @@
 #include <QtCore/QSharedDataPointer>
 #include <QtCore/QMetaType>
 
+QT_REQUIRE_CONFIG(ssl);
+
 QT_BEGIN_NAMESPACE
 
 class QSslPreSharedKeyAuthenticatorPrivate;