diff --git a/qmlui/tardis/tardis.cpp b/qmlui/tardis/tardis.cpp
index 834c046b10..686528afef 100644
--- a/qmlui/tardis/tardis.cpp
+++ b/qmlui/tardis/tardis.cpp
@@ -319,7 +319,7 @@ void Tardis::run()
 
 QByteArray Tardis::actionToByteArray(int code, quint32 objID, QVariant data)
 {
-    QBuffer buffer;
+    ::QBuffer buffer;
     buffer.open(QIODevice::WriteOnly | QIODevice::Text);
     QXmlStreamWriter xmlWriter(&buffer);
 
@@ -421,7 +421,7 @@ bool Tardis::processBufferedAction(int action, quint32 objID, QVariant &value)
         return false;
     }
 
-    QBuffer buffer;
+    ::QBuffer buffer;
     buffer.setData(value.toByteArray());
     buffer.open(QIODevice::ReadOnly | QIODevice::Text);
     QXmlStreamReader xmlReader(&buffer);