diff --git a/src/frontends/qt4/floatplacement.C b/src/frontends/qt4/floatplacement.C
index 9b14d6aba8..f7b1b34b25 100644
--- a/src/frontends/qt4/floatplacement.C
+++ b/src/frontends/qt4/floatplacement.C
@@ -9,6 +9,10 @@
  * Full author contact details are available in file CREDITS.
  */
 
+#ifndef QT3_SUPPORT
+ #define QT3_SUPPORT
+#endif
+
 #include <config.h>
 
 #include "floatplacement.h"
@@ -31,7 +35,7 @@ using std::string;
 
 // FIXME: set disabled doesn't work properly
 // should be fixed now (jspitzm)
-FloatPlacement::FloatPlacement(QWidget * parent, char * /*name*/)
+FloatPlacement::FloatPlacement(QWidget * parent)
 	: QWidget(parent)
 {
 	QHBoxLayout * toplayout = new QHBoxLayout(this, 11, 6);
diff --git a/src/frontends/qt4/floatplacement.h b/src/frontends/qt4/floatplacement.h
index e61529e1bb..473397d0f8 100644
--- a/src/frontends/qt4/floatplacement.h
+++ b/src/frontends/qt4/floatplacement.h
@@ -14,7 +14,6 @@
 #define QT_FLOATPLACEMENT_H
 
 #include <QWidget>
-//#include <QVBoxLayout>
 
 #include <string>
 
@@ -26,8 +25,7 @@ class FloatPlacement : public QWidget {
 	Q_OBJECT
 
 public:
-	FloatPlacement(QWidget * parent=0, char * name="");
-
+	FloatPlacement(QWidget * parent=0);
 
 	void useWide();
 	void useSideways();