diff --git a/plot.py b/plot.py
index 2648758..9a8591d 100644
--- a/plot.py
+++ b/plot.py
@@ -85,7 +85,7 @@ def plot_extrapolation_portion(percentage):
 	plot_filename = '{}/{}_extrapolated_to_{}_percent'.format(plots_folder, filename_stand, print_percentage)
 	plot_filename_latest = '{}/latest_extrapolated_to_{}_percent'.format(plots_folder, print_percentage)
 
-	if os.path.isfile(plot_filename):
+	if os.path.isfile(plot_filename + 'pdf'):
 		print('Plot {} already exists'.format(plot_filename))
 		return