diff --git a/qtinterface/tqpaintdevice.cpp b/qtinterface/tqpaintdevice.cpp
index d97a3d4..846342a 100644
--- a/qtinterface/tqpaintdevice.cpp
+++ b/qtinterface/tqpaintdevice.cpp
@@ -42,6 +42,8 @@ Boston, MA 02110-1301, USA.
 #include <X11/Xos.h>
 #include <X11/Xatom.h>
 
+#include <Qt/qcolormap.h>
+
 /*!
     Returns the window system handle of the paint device for XRender
     support. Use of this function is not portable. This function will
@@ -75,8 +77,11 @@ static GC create_gc( int scrn, bool monochrome )
 	} else {
 	    Window w;
 	    XSetWindowAttributes a;
-	    a.background_pixel = Qt::black.pixel( scrn );
-	    a.border_pixel = Qt::black.pixel( scrn );
+	    QColormap cmap_background = QColormap::instance( scrn );
+	    QColormap cmap_border = QColormap::instance( scrn );
+	    a.background_pixel = cmap_background.pixel( Qt::black );
+	    a.border_pixel = cmap_border.pixel( Qt::black );
+
 	    a.colormap = QPaintDevice::x11AppColormap( scrn );
 	    w = XCreateWindow( appDpy, RootWindow( appDpy, scrn ), 0, 0, 100, 100,
 			       0, QPaintDevice::x11AppDepth( scrn ), InputOutput,
diff --git a/qtinterface/tqt.h b/qtinterface/tqt.h
index 207d04f..e812b9b 100644
--- a/qtinterface/tqt.h
+++ b/qtinterface/tqt.h
@@ -65,7 +65,7 @@ Boston, MA 02110-1301, USA.
 #define TQ_Key_Super_R		Key_Super_R
 #define TQ_Key_Hyper_L		Key_Hyper_L
 #define TQ_Key_Hyper_R		Key_Hyper_R
-#define TQ_ButtonState		ButtonState
+#define TQ_ButtonState		Qt::ButtonState
 #define TQ_LeftButton		LeftButton
 #define TQ_MidButton		MidButton
 #define TQ_RightButton		RightButton