diff -up texworks-0.4.0/TeXworks.pro.64bit texworks-0.4.0/TeXworks.pro
--- texworks-0.4.0/TeXworks.pro.64bit	2011-03-30 20:01:49.000000000 +0200
+++ texworks-0.4.0/TeXworks.pro	2011-03-30 20:02:00.000000000 +0200
@@ -107,6 +107,14 @@ linux-g++ {
 	LIBS		+= -lz
 }
 
+linux-g++-64 {
+	# Qt/dbus config on Debian is broken, hence the lines below
+	LIBS		+= -lQtDBus
+	INCLUDEPATH	+= /usr/include/qt4/QtDBus
+	# needed to link successfully on Fedora, apparently
+	LIBS		+= -lz
+}
+
 openbsd-g++ {
 	# Same bug exists in OpenBSD/qt4
 	LIBS		+= -lQtDBus