diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index 14b09e4..a722dac 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -798,6 +798,11 @@ class Event(models.Model):
         if self.image and not self.local_image:
             self.download_image()
 
+        # remove "/" from tags
+        if self.tags:
+            self.tags = [t.replace('/', '-') for t in self.tags]
+
+        # in case of importation process
         if self.is_in_importation_process():
             # try to detect location
             if not self.exact_location:
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-elegant-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-elegant-inc.html
index 50c51bd..b1ccd75 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-elegant-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-elegant-inc.html
@@ -56,7 +56,7 @@
         <div class="infos">
             <p>
                 {% for tag in event.tags %}
-                <a href="{% url 'view_tag' tag %}" role="button" class="small-cat">{{ tag }}</a>
+                <a href="{% url 'view_tag' tag|prepare_tag %}" role="button" class="small-cat">{{ tag }}</a>
                 {% endfor %}
             </p>
 
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html
index 1f78d4a..16ec295 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-flat-list-inc.html
@@ -1,5 +1,6 @@
 {% load utils_extra %}
 {% load cat_extra %}
+{% load tag_extra %}
 {% load event_extra %}
 
 <header>{{ event.category | small_cat_recurrent:event.has_recurrences }} 
@@ -35,7 +36,7 @@
     <p class="subentry-search">
         {% picto_from_name "tag" %}
         {% for tag in event.tags %}
-        <a href="{% url 'view_tag' tag %}">{{ tag }}</a>
+        <a href="{% url 'view_tag' tag|prepare_tag %}">{{ tag }}</a>
         {% if not forloop.last %}, {% endif %}
         {% endfor %}
     </p>
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html
index 0849f6d..5c93433 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-by-day-inc.html
@@ -56,7 +56,7 @@
         <div class="infos">
             <p>
                 {% for tag in event.tags %}
-                <a href="{% url 'view_tag' tag %}" role="button" class="small-cat">{{ tag }}</a>
+                <a href="{% url 'view_tag' tag|prepare_tag %}" role="button" class="small-cat">{{ tag }}</a>
                 {% endfor %}
             </p>
 
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html
index 188bfae..fe370c0 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-list-inc.html
@@ -42,7 +42,7 @@
         <div class="infos">
             <p>
                 {% for tag in event.tags %}
-                <a href="{% url 'view_tag' tag %}" role="button" class="small-cat">{{ tag }}</a>
+                <a href="{% url 'view_tag' tag|prepare_tag %}" role="button" class="small-cat">{{ tag }}</a>
                 {% endfor %}
             </p>
 
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-unknown-place-list-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-unknown-place-list-inc.html
index 852a1b4..b08a304 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-unknown-place-list-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-in-unknown-place-list-inc.html
@@ -1,6 +1,7 @@
 {% load utils_extra %}
 {% load cat_extra %}
 {% load event_extra %}
+{% load tag_extra %}
 
 <header>
     <div class="slide-buttons">
@@ -36,7 +37,7 @@
     <p>
         {% picto_from_name "tag" %}
         {% for tag in event.tags %}
-        <a href="{% url 'view_tag' tag %}">{{ tag }}</a>
+        <a href="{% url 'view_tag' tag|prepare_tag %}">{{ tag }}</a>
         {% if not forloop.last %}, {% endif %}
         {% endfor %}
     </p>
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
index 01f1a80..71e903b 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
@@ -51,7 +51,7 @@
 
         <p>
                 {% for tag in event.tags %}
-                <a href="{% url 'view_tag' tag %}" role="button" class="small-cat">{{ tag }}</a>
+                <a href="{% url 'view_tag' tag|prepare_tag %}" role="button" class="small-cat">{{ tag }}</a>
                 {% endfor %}
             </p>
 
diff --git a/src/agenda_culturel/templates/agenda_culturel/tags.html b/src/agenda_culturel/templates/agenda_culturel/tags.html
index 099452c..b9f16b5 100644
--- a/src/agenda_culturel/templates/agenda_culturel/tags.html
+++ b/src/agenda_culturel/templates/agenda_culturel/tags.html
@@ -26,7 +26,7 @@
 
     {% for tag in tags %}
     <article class="tag-description no-image">
-        <header><a href="{% url 'view_tag' tag.name %}" role="button" class="small-cat">{{ tag.name }}</a></header>
+        <header><a href="{% url 'view_tag' tag.name|prepare_tag %}" role="button" class="small-cat">{{ tag.name }}</a></header>
         <div>
         {{ tag.description|safe }}
         <p>{% if tag.category %}Cette étiquette est une sous-catégorie de {{ tag.category| small_cat:tag.category.get_absolute_url  }}{% endif %}</p>
@@ -43,7 +43,7 @@
     <div>
             {% for tag in other_tags %}
             {% if tag|tag_not_in_db:tags %}
-                <a href="{% url 'view_tag' tag %}" role="button" class="small-cat">{{ tag }}</a>
+                <a href="{% url 'view_tag' tag|prepare_tag %}" role="button" class="small-cat">{{ tag }}</a>
             {% endif %}
             {% endfor %}
     </div>
diff --git a/src/agenda_culturel/templatetags/tag_extra.py b/src/agenda_culturel/templatetags/tag_extra.py
index 1128b9d..83115fc 100644
--- a/src/agenda_culturel/templatetags/tag_extra.py
+++ b/src/agenda_culturel/templatetags/tag_extra.py
@@ -34,7 +34,7 @@ def t_button(tag, url, strike=False, category=None):
 
 @register.filter
 def tag_button(tag, link=False, strike=False):
-    return t_button(tag, reverse_lazy("view_tag", kwargs={"t": tag}) if link else None, strike)
+    return t_button(tag, reverse_lazy("view_tag", kwargs={"t": tag.replace('/', '-')}) if link else None, strike)
 
 
 @register.filter
@@ -65,3 +65,7 @@ def show_suggested_tags(filter):
                     result += ' ' + t_button(t.name, filter.get_url_add_tag(t.name, t.category), category=t.category)
 
     return mark_safe(result)
+
+@register.filter
+def prepare_tag(tag):
+    return tag.replace('/', '-')
\ No newline at end of file