diff --git a/cfg/qt.cfg b/cfg/qt.cfg
index fef035130c0..08ea9d9d7c5 100644
--- a/cfg/qt.cfg
+++ b/cfg/qt.cfg
@@ -5368,6 +5368,7 @@
   <define name="Q_RETURN_ARG(type, data)" value="QReturnArgument&lt;type &gt;(#type, data)"/>
   <define name="Q_UNLIKELY(expr)" value="expr"/>
   <define name="Q_UNUSED(X)" value="(void)(X);"/>
+  <define name="QT_USE_NAMESPACE" value=""/>
   <define name="QT_BEGIN_NAMESPACE" value=""/>
   <define name="QT_END_NAMESPACE" value=""/>
   <define name="QT_BEGIN_MOC_NAMESPACE" value=""/>