diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index fbc5892..3f4ccdb 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -10,6 +10,7 @@ from django_ckeditor_5.fields import CKEditor5Field
 from urllib.parse import urlparse
 from django.core.cache import cache
 
+import hashlib
 import urllib.request
 import os
 from django.core.files import File
@@ -216,6 +217,7 @@ class Tag(models.Model):
 
     def get_tag_groups(nb_suggestions=10, exclude=False, include=False, all=False):
         id_cache = 'all_tags ' + str(exclude) + ' ' + str(include) + ' ' + str(nb_suggestions)
+        id_cache = hashlib.md5(id_cache.encode("utf8")).hexdigest()
         result = cache.get(id_cache)
 
         if not result: