diff --git a/src/api/serializers.py b/src/api/serializers.py
index bbad60a25ca8a057c2da409cb7360f97f328f9af..e8ff4d0190d7198b13583b122b5844f822897954 100644
--- a/src/api/serializers.py
+++ b/src/api/serializers.py
@@ -228,7 +228,7 @@ class BadgeSerializer(HubModelSerializer):
     )
 
     def create(self, validated_data):
-        issuing_assembly = Assembly.objects.filter(slug=self.context['assembly'])
+        issuing_assembly = Assembly.objects.filter(slug__iexact=self.context['assembly'])
         conference = Conference.objects.filter(slug=self.context['conference'])
         validated_data.update({'conference': conference, 'issuing_assembly': issuing_assembly})
         return super().create(validated_data)
diff --git a/src/api/views/badges.py b/src/api/views/badges.py
index 5d6a7d49183cb8797778c28900083e1274011fe3..a9d9789ac1f67e03a80319b836dcc9016061c83a 100644
--- a/src/api/views/badges.py
+++ b/src/api/views/badges.py
@@ -26,7 +26,7 @@ class BadgeListCreate(ListCreateAPIView):
     def get_queryset(self):
         queryset = self.model.objects.all()
         assembly = self.kwargs.get('assembly')
-        return queryset.filter(issuing_assembly__slug=assembly)
+        return queryset.filter(issuing_assembly__slug__iexact=assembly)
 
     def get_serializer_context(self):
         context = super().get_serializer_context()
@@ -43,7 +43,7 @@ class BadgeTokenListCreate(ConferenceSlugAssemblyMixin, ListCreateAPIView):
         queryset = BadgeToken.objects.all()
         assembly = self.kwargs.get('assembly')
         badge = self.kwargs.get('pk')
-        return queryset.filter(badge=badge, badge__issuing_assembly__slug=assembly)
+        return queryset.filter(badge=badge, badge__issuing_assembly__slug__iexact=assembly)
 
     def get_serializer_context(self):
         if self.kwargs.get('pk'):
diff --git a/src/api/views/mixins.py b/src/api/views/mixins.py
index 46c9302450d1ce62942b9217e02672d560521884..8ba7e8deee90aa90a71ef6cd99a63ae642101452 100644
--- a/src/api/views/mixins.py
+++ b/src/api/views/mixins.py
@@ -54,7 +54,7 @@ class ConferenceSlugAssemblyMixin(ConferenceSlugMixin):
         if self._assembly is None:
             assembly_slug = self.request.resolver_match.kwargs['assembly']
             try:
-                self._assembly = Assembly.objects.associated_with_user(self.conference, user=self.request.user).get(slug=assembly_slug)
+                self._assembly = Assembly.objects.associated_with_user(self.conference, user=self.request.user).get(slug__iexact=assembly_slug)
             except Assembly.DoesNotExist:
                 if issuing_token := self.kwargs.get('issuing_token', None):
                     try:
diff --git a/src/backoffice/forms/__init__.py b/src/backoffice/forms/__init__.py
index 9753d9d085e692bc68d58e09628f97a659d1d52c..23cf9d09ce338f9e7590698dd4bc2d808366bdae 100644
--- a/src/backoffice/forms/__init__.py
+++ b/src/backoffice/forms/__init__.py
@@ -86,13 +86,13 @@ class ScheduleSourceCreateForm(forms.ModelForm):
         assembly_slug = self.cleaned_data['assembly_slug']
         if assembly_slug == '*':
             return None
-        if not Assembly.objects.filter(conference=self._conference, slug=assembly_slug).exists():
+        if not Assembly.objects.filter(conference=self._conference, slug__iexact=assembly_slug).exists():
             raise ValidationError('An assembly with this slug does not exist.')
         return assembly_slug
 
     def clean(self):
         assembly_slug = self.cleaned_data.get('assembly_slug')
-        self.instance.assembly = Assembly.objects.get(conference=self._conference, slug=assembly_slug) if assembly_slug else None
+        self.instance.assembly = Assembly.objects.get(conference=self._conference, slug__iexact=assembly_slug) if assembly_slug else None
         self.instance.conference = self._conference
         try:
             self.instance.import_frequency = str2timedelta(self.cleaned_data.get('import_frequency'))
diff --git a/src/backoffice/forms/assemblies.py b/src/backoffice/forms/assemblies.py
index cb3d92f4d1f84daee102ded38c97a174cef9806a..3cc02fda6f427db7820aae32ef93ba23aa6140ae 100644
--- a/src/backoffice/forms/assemblies.py
+++ b/src/backoffice/forms/assemblies.py
@@ -36,7 +36,7 @@ class AssemblyCreateForm(forms.ModelForm):
         if self._conference.has_disclaimer('assembly') and not self.cleaned_data['disclaimer']:
             self.add_error('disclaimer', _('Assembly__disclaimer-needed'))
 
-        if (slug := self.cleaned_data.get('slug')) and Assembly.objects.filter(conference=self._conference, slug=slug).exists():
+        if (slug := self.cleaned_data.get('slug')) and Assembly.objects.filter(conference=self._conference, slug__iexact=slug).exists():
             self.add_error('slug', _('Assembly__slug__already_exists'))
 
         # ensure Assembly's conference is set before saving
@@ -106,7 +106,7 @@ class AssemblyEditForm(TranslatedFieldsForm):
 
         # slug must not already exist in the conference
         slug = self.cleaned_data.get('slug')
-        if slug is not None and Assembly.objects.filter(conference=self.instance.conference, slug=slug).exclude(pk=self.instance.pk).exists():
+        if slug is not None and Assembly.objects.filter(conference=self.instance.conference, slug__iexact=slug).exclude(pk=self.instance.pk).exists():
             self.add_error('slug', _('Assembly__slug__already_exists'))
 
 
diff --git a/src/backoffice/views/moderation/mixins.py b/src/backoffice/views/moderation/mixins.py
index d912468bfd569cf430bf15ab8ecb978b7c6c1b48..b4f75e7ebdf8ab577d78a165483baa49473a38bb 100644
--- a/src/backoffice/views/moderation/mixins.py
+++ b/src/backoffice/views/moderation/mixins.py
@@ -39,7 +39,7 @@ def lookup_moderation_items(conference: Conference, query: str):
                 candidates.append(('assembly', p.kwargs['pk']))
             for kw in ['slug', 'assembly_slug']:
                 if kw in p.kwargs:
-                    for a in conference.assemblies.filter(slug=p.kwargs[kw]).values('pk'):
+                    for a in conference.assemblies.filter(slug__iexact=p.kwargs[kw]).values('pk'):
                         candidates.append(('assembly', a['pk']))
         if '/event' in p.route:
             if 'pk' in p.kwargs:
diff --git a/src/plainui/urls.py b/src/plainui/urls.py
index f50098409045120b3dff51b5f80c40c6bfadaad7..c6ac7b5d65f7c09d5ed3c91d3cc86511ca4c4d07 100644
--- a/src/plainui/urls.py
+++ b/src/plainui/urls.py
@@ -89,7 +89,6 @@ urlpatterns = [
     re_path(r'^assemblies/(?P<page>[0a-z])', views.AssembliesView.as_view(), name='assemblies_paginated'),
     re_path(r'^assemblies/all/(?P<page>[0a-z])', views.AssembliesAllView.as_view(), name='assemblies_all_paginated'),
     path('assembly/<slug:assembly_slug>/', views.AssemblyView.as_view(), name='assembly'),
-    path('assembly/<slug:slug>/', views.AssemblyView.as_view(), name='assembly'),
     path('sos/', views.SosList.as_view(), name='sos'),
     path('so/project/<slug:slug>/', views.ProjectView.as_view(self_organized=True), name='so_project'),
     path('report', views.ReportContentView.as_view(), name='report_content'),
diff --git a/src/plainui/views/assemblies.py b/src/plainui/views/assemblies.py
index c6a27a38df96cf4c3590b1087aa8a51cbbe94f7e..0197ef7e857078dd848e960d9d00fe82f75cd9a3 100644
--- a/src/plainui/views/assemblies.py
+++ b/src/plainui/views/assemblies.py
@@ -36,11 +36,8 @@ logger = logging.getLogger(__name__)
 class AssemblyView(ConferenceRequiredMixin, DetailView):
     model = Assembly
     template_name = 'plainui/assembly.html.j2'
-
-    def dispatch(self, request, *args, assembly_slug: str | None = None, **kwargs):
-        if assembly_slug:
-            self.kwargs.update({'slug': self.kwargs.pop('assembly_slug')})
-        return super().dispatch(request, *args, **kwargs)
+    slug_url_kwarg = 'assembly_slug'
+    slug_field = 'slug__iexact'
 
     def get_queryset(self) -> QuerySet[Any]:
         return Assembly.objects.conference_accessible(self.conf).prefetch_related(