diff --git a/distruct.py b/distruct.py
index a9e2398..49f60d0 100644
--- a/distruct.py
+++ b/distruct.py
@@ -1,4 +1,6 @@
 import numpy as np
+import matplotlib
+matplotlib.use('Agg')
 import matplotlib.pyplot as plot
 import colorsys
 import getopt