diff --git a/gpx-viewer-0.3.0-gtk-compile.patch b/gpx-viewer-0.3.0-gtk-compile.patch
new file mode 100644
index 0000000..8b57a5d
--- /dev/null
+++ b/gpx-viewer-0.3.0-gtk-compile.patch
@@ -0,0 +1,13 @@
+=== modified file 'src/gpx-track-treemodel.vala'
+--- src/gpx-track-treemodel.vala	2012-03-04 09:56:50 +0000
++++ src/gpx-track-treemodel.vala	2013-07-11 19:50:12 +0000
+@@ -86,7 +86,7 @@
+             path.append_index (pos);
+             return path;
+         }
+-        public void get_value (Gtk.TreeIter iter, int column, ref GLib.Value value)
++        public void get_value (Gtk.TreeIter iter, int column, out GLib.Value value)
+         {
+             assert (iter.user_data != null);
+             Gpx.Point p = iter.user_data as Gpx.Point;
+