diff --git a/src/network/kernel/qauthenticator.h b/src/network/kernel/qauthenticator.h
index 4d8e85c000..a05d359e93 100644
--- a/src/network/kernel/qauthenticator.h
+++ b/src/network/kernel/qauthenticator.h
@@ -16,6 +16,7 @@ class QUrl;
 
 class Q_NETWORK_EXPORT QAuthenticator
 {
+    Q_GADGET
 public:
     QAuthenticator();
     ~QAuthenticator();
diff --git a/src/network/kernel/qhostinfo.h b/src/network/kernel/qhostinfo.h
index e338a0b6d5..3942e41498 100644
--- a/src/network/kernel/qhostinfo.h
+++ b/src/network/kernel/qhostinfo.h
@@ -17,6 +17,7 @@ class QHostInfoPrivate;
 
 class Q_NETWORK_EXPORT QHostInfo
 {
+    Q_GADGET
 public:
     enum HostInfoError {
         NoError,
diff --git a/src/network/kernel/qnetworkproxy.h b/src/network/kernel/qnetworkproxy.h
index c39fff5318..d04bd9ee13 100644
--- a/src/network/kernel/qnetworkproxy.h
+++ b/src/network/kernel/qnetworkproxy.h
@@ -77,6 +77,7 @@ class QNetworkProxyPrivate;
 
 class Q_NETWORK_EXPORT QNetworkProxy
 {
+    Q_GADGET
 public:
     enum ProxyType {
         DefaultProxy,
diff --git a/src/network/ssl/qsslpresharedkeyauthenticator.h b/src/network/ssl/qsslpresharedkeyauthenticator.h
index 98cfad19ed..a3912406d3 100644
--- a/src/network/ssl/qsslpresharedkeyauthenticator.h
+++ b/src/network/ssl/qsslpresharedkeyauthenticator.h
@@ -16,6 +16,7 @@ QT_BEGIN_NAMESPACE
 class QSslPreSharedKeyAuthenticatorPrivate;
 class QSslPreSharedKeyAuthenticator
 {
+    Q_GADGET_EXPORT(Q_NETWORK_EXPORT)
 public:
     Q_NETWORK_EXPORT QSslPreSharedKeyAuthenticator();
     Q_NETWORK_EXPORT ~QSslPreSharedKeyAuthenticator();