diff --git a/plot.py b/plot.py
index b9fbef9..c3604cd 100644
--- a/plot.py
+++ b/plot.py
@@ -9,7 +9,7 @@ import datetime
 import re
 import requests as req
 import locale
-
+import os.path
 
 locale.setlocale(locale.LC_ALL, 'de_DE.UTF-8')
 
@@ -82,9 +82,15 @@ filename_stand = stand_date.strftime("%Y%m%d%H%M%S")
 
 def plot_extrapolation_portion(percentage):
 
+	print_percentage = int(percentage * 100)
+	plot_filename = '{}/{}_extrapolated_to_{}_percent.pdf'.format(plots_folder, filename_stand, print_percentage)
+
+	if os.path.isfile(plot_filename):
+		print('Plot {} already exists'.format(plot_filename))
+		return
+
 	fig, ax = plt.subplots(1)
 
-	print_percentage = int(percentage * 100)
 
 	plt.title(
 		'Tägliche Impfquote, kumulierte Impfungen und lineare Extrapolation bis {:n} % der Bevölkerung Deutschlands\n'
@@ -121,9 +127,11 @@ def plot_extrapolation_portion(percentage):
 
 	ax2.set_ylabel('Kumulierte Impfungen')
 
-	plt.savefig('{}/{}_extrapolated_to_{}_percent.pdf'.format(plots_folder, filename_stand, print_percentage))
+	plt.savefig(plot_filename)
 	plt.close()
 
+	print('Created plot {}'.format(plot_filename))
+
 
 plot_extrapolation_portion(0.1)
 plot_extrapolation_portion(1.0)