3 files changed, 4 insertions, 4 deletions
diff --git a/src/network/kernel/qdnslookup.h b/src/network/kernel/qdnslookup.h
index 198b19d8a8..89e8cbb852 100644
--- a/src/network/kernel/qdnslookup.h
+++ b/src/network/kernel/qdnslookup.h
@@ -191,7 +191,7 @@ public:
         TXT = 16
     };
 
-    QDnsLookup(QObject *parent = 0);
+    explicit QDnsLookup(QObject *parent = 0);
     QDnsLookup(Type type, const QString &name, QObject *parent = 0);
     ~QDnsLookup();
 
diff --git a/src/network/kernel/qhostinfo.h b/src/network/kernel/qhostinfo.h
index df377872c8..2fc87f3bdc 100644
--- a/src/network/kernel/qhostinfo.h
+++ b/src/network/kernel/qhostinfo.h
@@ -63,7 +63,7 @@ public:
         UnknownError
     };
 
-    QHostInfo(int lookupId = -1);
+    explicit QHostInfo(int lookupId = -1);
     QHostInfo(const QHostInfo &d);
     QHostInfo &operator=(const QHostInfo &d);
     ~QHostInfo();
diff --git a/src/network/kernel/qnetworkproxy.h b/src/network/kernel/qnetworkproxy.h
index 805f5cdb5c..2e5c3ed687 100644
--- a/src/network/kernel/qnetworkproxy.h
+++ b/src/network/kernel/qnetworkproxy.h
@@ -68,10 +68,10 @@ public:
     };
 
     QNetworkProxyQuery();
-    QNetworkProxyQuery(const QUrl &requestUrl, QueryType queryType = UrlRequest);
+    explicit QNetworkProxyQuery(const QUrl &requestUrl, QueryType queryType = UrlRequest);
     QNetworkProxyQuery(const QString &hostname, int port, const QString &protocolTag = QString(),
                        QueryType queryType = TcpSocket);
-    QNetworkProxyQuery(quint16 bindPort, const QString &protocolTag = QString(),
+    explicit QNetworkProxyQuery(quint16 bindPort, const QString &protocolTag = QString(),
                        QueryType queryType = TcpServer);
     QNetworkProxyQuery(const QNetworkProxyQuery &other);
 #ifndef QT_NO_BEARERMANAGEMENT