diff --git a/fluents/plots.py b/fluents/plots.py
index e6a7c68..01cfb46 100644
--- a/fluents/plots.py
+++ b/fluents/plots.py
@@ -765,7 +765,7 @@ class NetworkPlot(Plot):
         self.dim_name = self.dataset.get_dim_name(0)
         
         if not kw.has_key('with_labels'):
-            k w['with_labels'] = False
+            kw['with_labels'] = False
         if not kw.has_key('name'):
             kw['name'] = self.dataset.get_name()
         if not kw.has_key('prog'):