diff --git a/pandas-stacked-bar.py b/pandas-stacked-bar.py
index 51f4f59..78d1154 100644
--- a/pandas-stacked-bar.py
+++ b/pandas-stacked-bar.py
@@ -1,6 +1,6 @@
 import pandas
 from matplotlib import pyplot
-df = pandas.DataFrame([431,106])
+df = pandas.DataFrame([431-106,106])
 df = df.transpose()
 df.columns=['complete','incomplete']
 df.plot(kind='bar', stacked=True, legend=False)