diff -up scribus-1.3.6/scribus/plugins/barcodegenerator/barcodegenerator.h.qstring scribus-1.3.6/scribus/plugins/barcodegenerator/barcodegenerator.h
--- scribus-1.3.6/scribus/plugins/barcodegenerator/barcodegenerator.h.qstring	2010-03-30 15:38:04.000000000 +0200
+++ scribus-1.3.6/scribus/plugins/barcodegenerator/barcodegenerator.h	2010-03-30 15:39:46.000000000 +0200
@@ -100,7 +100,7 @@ class BarcodeGenerator : public QDialog
 		\param dpi optional DPI value. Default is 72 for preview.
 		\retval bool true on success.
 		*/
-		bool paintBarcode(QString fileName = 0, int dpi = 72);
+		bool paintBarcode(QString fileName = QString::null, int dpi = 72);
 		/*! \brief Create color preview.
 		Used for Color box feedback.
 		\param l A pointer to the sample QLabel
diff -up scribus-1.3.6/scribus/scribusdoc.cpp.qstring scribus-1.3.6/scribus/scribusdoc.cpp
--- scribus-1.3.6/scribus/scribusdoc.cpp.qstring	2010-03-31 11:41:08.000000000 +0200
+++ scribus-1.3.6/scribus/scribusdoc.cpp	2010-03-31 11:40:45.000000000 +0200
@@ -189,7 +189,7 @@ ScribusDoc::ScribusDoc() : UndoObject( t
 	pageSets(prefsData.pageSets),
 	PageSp(1), PageSpa(0),
 	currentPageLayout(0),
-	PageOri(0), m_pageSize(0),
+	PageOri(0), m_pageSize(QString::null),
 	FirstPnum(1),
 	useRaster(false),
 	PageColors(this, true),