diff --git a/src/libs/utils/consoleprocess.h b/src/libs/utils/consoleprocess.h
index 370b256c166..53c69c91af7 100644
--- a/src/libs/utils/consoleprocess.h
+++ b/src/libs/utils/consoleprocess.h
@@ -41,8 +41,10 @@
 
 #ifdef Q_OS_WIN
 #include <windows.h>
+QT_BEGIN_NAMESPACE
 class QWinEventNotifier;
 class QTemporaryFile;
+QT_END_NAMESPACE
 #endif
 
 namespace Core {