diff --git a/fluents/navigator.py b/fluents/navigator.py
index 1d02331..a830ad6 100644
--- a/fluents/navigator.py
+++ b/fluents/navigator.py
@@ -280,7 +280,7 @@ class NavigatorMenu(gtk.Menu):
         #project._selection_observers.append(plot)
 
     def on_plot_hist(self, item, navigator):
-        project = navigator.project
+        project = main.project
         plot = plots.HistogramPlot(self.dataset, name='Histogram')
         icon = fluents.icon_factory.get("line_plot")
         project.data_tree_insert(self.tree_iter, 'Histogram', plot, None, "black", icon)