diff --git a/ex-6/plot.py b/ex-6/plot.py
index eb57c84..1d68280 100755
--- a/ex-6/plot.py
+++ b/ex-6/plot.py
@@ -2,6 +2,9 @@
 
 from pylab import *
 import sys
+import matplotlib.pyplot as plt
+
+plt.rcParams['font.size'] = 20
 
 a, b, f = loadtxt(sys.stdin, unpack=True)
 suptitle('Fraunhofer diffraction')