diff --git a/system/plots.py b/system/plots.py
index 4dac2fc..574b1ad 100644
--- a/system/plots.py
+++ b/system/plots.py
@@ -638,7 +638,7 @@ class NetworkPlot(Plot):
         if not kw.has_key('prog'):
             kw['prog'] = 'neato'
         if not kw.has_key('pos') or kw['pos']:
-            kw['pos'] = networkx.drawing.nx_pydot.graphviz_layout(self.graph, kw['prog'])
+            kw['pos'] = networkx.pygraphviz_layout(self.graph, kw['prog'])
         Plot.__init__(self, kw['name'])
 
         # Keep node size and color as dicts for fast lookup