diff --git a/fluents/plots.py b/fluents/plots.py
index 41aa91b..4be34d3 100644
--- a/fluents/plots.py
+++ b/fluents/plots.py
@@ -691,7 +691,7 @@ class BarPlot(Plot):
                 self.axes.bar(left, height,color=c)
         else:
             height = dataset.asarray().ravel()
-            left = scipy.arange(1, n, 1)
+            left = scipy.arange(1, n+1, 1)
             self.axes.bar(left, height)
 
         # Disable selection modes