diff --git a/src/email_sender.py b/src/email_sender.py
index ecdbefc..514ca38 100644
--- a/src/email_sender.py
+++ b/src/email_sender.py
@@ -6,6 +6,7 @@ from smtplib import SMTP_SSL
 from argparse import ArgumentParser
 from datetime import date, timedelta
 import wikiquote
+import os
 
 from event import create_events_from_span
 
@@ -78,7 +79,9 @@ class EmailSender:
 
 
 def create_html_templated(events_previous, events_current, events_next):
-    with open('../html_template/mail.html', 'r', encoding='utf-8') as tmp:
+    directory = os.path.dirname(os.path.realpath(__file__))
+    template_path = os.path.join(directory, '..', 'html_template', 'mail.html')
+    with open(template_path, 'r', encoding='utf-8') as tmp:
         mail = tmp.read()
         mail = mail.replace('{LogoAddress}',
                             'http://xerto.free.fr/Paturlettre/LogoLettre.png')