diff --git a/fixx11h.h b/fixx11h.h
new file mode 100644
index 00000000..eb576901
--- /dev/null
+++ b/fixx11h.h
@@ -0,0 +1,63 @@
+// This is a standard way (e.g., in KDE libs) of dealing
+// with X11 headers mess.
+
+#ifdef Unsorted
+#undef Unsorted
+#endif
+
+#ifdef None
+#undef None
+#endif
+
+#ifdef Bool
+#undef Bool
+#endif
+
+#ifdef FontChange
+#undef FontChange
+#endif
+
+#ifdef KeyPress
+#undef KeyPress
+#endif
+
+#ifdef KeyRelease
+#undef KeyRelease
+#endif
+
+#ifdef Above
+#undef Above
+#endif
+
+#ifdef Below
+#undef Below
+#endif
+
+#ifdef FocusIn
+#undef FocusIn
+#endif
+
+#ifdef FocusOut
+#undef FocusOut
+#endif
+
+#ifdef Always
+#undef Always
+#endif
+
+#ifdef Success
+#undef Success
+#endif
+
+#ifdef GrayScale
+#undef GrayScale
+#endif
+
+#ifdef Status
+#undef Status
+#endif
+
+#ifdef CursorShape
+#undef CursorShape
+#endif
+
diff --git a/mainwindow.cc b/mainwindow.cc
index c12c349b..9e35d0f6 100644
--- a/mainwindow.cc
+++ b/mainwindow.cc
@@ -468,7 +468,7 @@ void MainWindow::mousePressEvent( QMouseEvent *event)
       QClipboard::Selection);
   ui.translateLine->setText(str);
 
-        QKeyEvent ev(QEvent::Type(6)/*QEvent::KeyPress*/, Qt::Key_Enter,
+        QKeyEvent ev(QEvent::KeyPress, Qt::Key_Enter,
            Qt::NoModifier);
         QApplication::sendEvent(ui.translateLine, &ev);
 }
@@ -1413,7 +1413,7 @@ bool MainWindow::eventFilter( QObject * obj, QEvent * ev )
 
   if ( obj == ui.translateLine )
   {
-    if ( ev->type() == /*QEvent::KeyPress*/ 6 )
+    if ( ev->type() == QEvent::KeyPress )
     {
       QKeyEvent * keyEvent = static_cast< QKeyEvent * >( ev );
 
@@ -1425,7 +1425,7 @@ bool MainWindow::eventFilter( QObject * obj, QEvent * ev )
       }
     }
     else
-    if ( ev->type() == /*QEvent::FocusIn*/ 8 ) {
+    if ( ev->type() == QEvent::FocusIn ) {
       QFocusEvent * focusEvent = static_cast< QFocusEvent * >( ev );
 
       // select all on mouse click
@@ -1438,7 +1438,7 @@ bool MainWindow::eventFilter( QObject * obj, QEvent * ev )
   else
   if ( obj == ui.wordList )
   {
-    if ( ev->type() == /*QEvent::KeyPress*/ 6 )
+    if ( ev->type() == QEvent::KeyPress )
     {
       QKeyEvent * keyEvent = static_cast< QKeyEvent * >( ev );
 
@@ -1485,7 +1485,7 @@ bool MainWindow::eventFilter( QObject * obj, QEvent * ev )
   }
   else
   if (obj == ui.dictsList) {
-    if ( ev->type() == /*QEvent::KeyPress*/ 6 )
+    if ( ev->type() == QEvent::KeyPress )
     {
       QKeyEvent * keyEvent = static_cast< QKeyEvent * >( ev );
 
diff --git a/mainwindow.hh b/mainwindow.hh
index 97a7f533..fa686587 100644
--- a/mainwindow.hh
+++ b/mainwindow.hh
@@ -19,11 +19,14 @@
 #include "scanpopup.hh"
 #include "articleview.hh"
 #include "wordfinder.hh"
-#include "hotkeywrapper.hh"
 #include "dictionarybar.hh"
 #include "history.hh"
 #include "hotkeywrapper.hh"
 
+#ifdef Q_WS_X11
+#include <fixx11h.h>
+#endif
+
 using std::string;
 using std::vector;