diff --git a/src/VideoWindow.cpp b/src/VideoWindow.cpp
index 3aa927897..89a249946 100644
--- a/src/VideoWindow.cpp
+++ b/src/VideoWindow.cpp
@@ -89,7 +89,7 @@ VideoWindow::VideoWindow(Context *context, const QDir &home)  :
 
 VideoWindow::~VideoWindow()
 {
-#ifdef Q_OS_LINUX && QT_VERSION < 0x050000 //XXX IN PORT TO QT 5.1 THIS IS BROKEN CODE XXX
+#if (defined Q_OS_LINUX) && (QT_VERSION < 0x050000) //XXX IN PORT TO QT 5.1 THIS IS BROKEN CODE XXX
     // unembed vlc backend first
     x11Container->discardClient(); 
 #endif
diff --git a/src/VideoWindow.h b/src/VideoWindow.h
index 8a9189bc6..e5a0801ab 100644
--- a/src/VideoWindow.h
+++ b/src/VideoWindow.h
@@ -39,7 +39,7 @@ extern "C" {
 #include "RealtimeData.h"
 #include "TrainSidebar.h"
 
-#ifdef Q_OS_LINUX && QT_VERSION < 0x050000
+#if (defined Q_OS_LINUX) && (QT_VERSION < 0x050000)
 #include <QX11EmbedContainer>
 #endif