diff -Naur /var/paludis/repositories/gentoo/distfiles/svn-src/rtorrent/rtorrent/src/display/canvas.h ./src/display/canvas.h
--- /var/paludis/repositories/gentoo/distfiles/svn-src/rtorrent/rtorrent/src/display/canvas.h	2011-04-12 10:30:16.013411001 +0300
+++ ./src/display/canvas.h	2011-04-12 10:43:51.159411001 +0300
@@ -48,7 +48,7 @@
 public:
   typedef std::vector<Attributes> attributes_list;
 
-  Canvas(int x = 0, int y = 0, int width = 0, int height = 0);
+  Canvas(int x = 0, int y = 0, int width = 1, int height = 1);
   ~Canvas() { delwin(m_window); }
 
   void                refresh()                                               { wnoutrefresh(m_window); }