diff --git a/src/3rdparty/ecwin7.cpp b/src/3rdparty/ecwin7.cpp
index 76755444b..e7f91fe91 100644
--- a/src/3rdparty/ecwin7.cpp
+++ b/src/3rdparty/ecwin7.cpp
@@ -20,7 +20,7 @@
 #include "ecwin7.h"
 
 // Windows only definitions
-#ifdef Q_WS_WIN
+#ifdef W7TASKBAR
 DEFINE_GUID(CLSID_TaskbarList,0x56fdf344,0xfd6d,0x11d0,0x95,0x8a,0x0,0x60,0x97,0xc9,0xa0,0x90);
 DEFINE_GUID(IID_ITaskbarList3,0xea1afb91,0x9e28,0x4b86,0x90,0xE9,0x9e,0x9f,0x8a,0x5e,0xef,0xaf);
 
diff --git a/src/3rdparty/ecwin7.h b/src/3rdparty/ecwin7.h
index 1359143e9..6877faf22 100644
--- a/src/3rdparty/ecwin7.h
+++ b/src/3rdparty/ecwin7.h
@@ -24,7 +24,7 @@
 #include <QWidget>
 
 // Windows only data definitions
-#ifdef Q_WS_WIN
+#ifdef W7TASKBAR
 
 #include <windows.h>
 #include <initguid.h>
diff --git a/src/downloads/downloadmanager.h b/src/downloads/downloadmanager.h
index 3e2691cbe..ec03e3271 100644
--- a/src/downloads/downloadmanager.h
+++ b/src/downloads/downloadmanager.h
@@ -62,7 +62,7 @@ public:
 
     void show() { m_timer.start(1000*2, this); QWidget::show(); }
 
-#ifdef Q_WS_WIN
+#ifdef W7TASKBAR
 protected:
     virtual bool winEvent(MSG *message, long *result);
 #endif
@@ -72,7 +72,7 @@ private slots:
     void deleteItem(DownloadItem* item);
 
 private:
-#ifdef Q_WS_WIN
+#ifdef W7TASKBAR
     EcWin7 win7;
 #endif
     void timerEvent(QTimerEvent *event);