diff --git a/orchestra/contrib/accounts/admin.py b/orchestra/contrib/accounts/admin.py
index 2b9a4773..e44c656b 100644
--- a/orchestra/contrib/accounts/admin.py
+++ b/orchestra/contrib/accounts/admin.py
@@ -158,6 +158,7 @@ class AccountListAdmin(AccountAdmin):
     actions = None
     change_list_template = 'admin/accounts/account/select_account_list.html'
 
+    @mark_safe
     def select_account(self, instance):
         # TODO get query string from request.META['QUERY_STRING'] to preserve filters
         context = {
@@ -167,7 +168,6 @@ class AccountListAdmin(AccountAdmin):
         }
         return _('<a href="%(url)s">%(plus)s Add to %(name)s</a>') % context
     select_account.short_description = _("account")
-    select_account.allow_tags = True
     select_account.admin_order_field = 'username'
 
     def changelist_view(self, request, extra_context=None):
@@ -222,7 +222,6 @@ class AccountAdminMixin(object):
         account = instance.account if instance.pk else self.account
         return admin_link()(account)
     account_link.short_description = _("account")
-    account_link.allow_tags = True
     account_link.admin_order_field = 'account__username'
 
     def get_form(self, request, obj=None, **kwargs):
diff --git a/orchestra/contrib/bills/admin.py b/orchestra/contrib/bills/admin.py
index 3d7b9534..8d23ca04 100644
--- a/orchestra/contrib/bills/admin.py
+++ b/orchestra/contrib/bills/admin.py
@@ -105,27 +105,26 @@ class ClosedBillLineInline(BillLineInline):
     readonly_fields = fields
     can_delete = False
 
+    @mark_safe
     def display_description(self, line):
         descriptions = [line.description]
         for subline in line.sublines.all():
-            descriptions.append('&nbsp;'*4+subline.description)
+            descriptions.append('&nbsp;' * 4 + subline.description)
         return '<br>'.join(descriptions)
     display_description.short_description = _("Description")
-    display_description.allow_tags = True
 
+    @mark_safe
     def display_subtotal(self, line):
         subtotals = ['&nbsp;' + str(line.subtotal)]
         for subline in line.sublines.all():
             subtotals.append(str(subline.total))
         return '<br>'.join(subtotals)
     display_subtotal.short_description = _("Subtotal")
-    display_subtotal.allow_tags = True
 
     def display_total(self, line):
         if line.pk:
             return line.compute_total()
     display_total.short_description = _("Total")
-    display_total.allow_tags = True
 
     def has_add_permission(self, request):
         return False
@@ -253,7 +252,6 @@ class BillAdminMixin(AccountAdminMixin):
                 subtotals.append(_("Taxes %s%% VAT   %s &%s;") % (tax, subtotal[1], currency))
             subtotals = '\n'.join(subtotals)
             return '<span title="%s">%s &%s;</span>' % (subtotals, bill.compute_total(), currency)
-    display_total_with_subtotals.allow_tags = True
     display_total_with_subtotals.short_description = _("total")
     display_total_with_subtotals.admin_order_field = 'approx_total'
 
@@ -279,7 +277,6 @@ class BillAdminMixin(AccountAdminMixin):
             color = PAYMENT_STATE_COLORS.get(bill.payment_state, 'grey')
             return '<a href="{url}" style="color:{color}" title="{title}">{name}</a>'.format(
                 url=url, color=color, name=state, title=title)
-    display_payment_state.allow_tags = True
     display_payment_state.short_description = _("Payment")
 
     def get_queryset(self, request):
@@ -380,7 +377,6 @@ class BillAdmin(BillAdminMixin, ExtendedModelAdmin):
     def display_total(self, bill):
         currency = settings.BILLS_CURRENCY.lower()
         return format_html('{} &{};', bill.compute_total(), currency)
-    display_total.allow_tags = True
     display_total.short_description = _("total")
     display_total.admin_order_field = 'approx_total'
 
@@ -388,7 +384,6 @@ class BillAdmin(BillAdminMixin, ExtendedModelAdmin):
         bill_type = bill.type.lower()
         url = reverse('admin:bills_%s_changelist' % bill_type)
         return format_html('<a href="{}">{}</a>', url, bill.get_type_display())
-    type_link.allow_tags = True
     type_link.short_description = _("type")
     type_link.admin_order_field = 'type'
 
diff --git a/orchestra/contrib/payments/admin.py b/orchestra/contrib/payments/admin.py
index f753231b..45b67a48 100644
--- a/orchestra/contrib/payments/admin.py
+++ b/orchestra/contrib/payments/admin.py
@@ -1,6 +1,8 @@
 from django.contrib import admin
 from django.urls import reverse
 from django.http import HttpResponseRedirect
+from django.utils.html import format_html
+from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 
 from orchestra.admin import ChangeViewActionsMixin, ExtendedModelAdmin
@@ -154,6 +156,7 @@ class TransactionAdmin(SelectAccountAdminMixin, ExtendedModelAdmin):
                 return []
         return [action for action in actions if action.__name__ not in exclude]
 
+    @mark_safe
     def display_state(self, obj):
         state = admin_colored('state', colors=STATE_COLORS)(obj)
         help_text = obj.get_state_help()
@@ -161,7 +164,6 @@ class TransactionAdmin(SelectAccountAdminMixin, ExtendedModelAdmin):
         return state
     display_state.admin_order_field = 'state'
     display_state.short_description = _("State")
-    display_state.allow_tags = True
 
 
 class TransactionProcessAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
@@ -184,10 +186,10 @@ class TransactionProcessAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
 
     def file_url(self, process):
         if process.file:
-            return '<a href="%s">%s</a>' % (process.file.url, process.file.name)
-    file_url.allow_tags = True
+            return format_html('<a href="{}">{}</a>', process.file.url, process.file.name)
     file_url.admin_order_field = 'file'
 
+    @mark_safe
     def display_transactions(self, process):
         ids = []
         lines = []
@@ -207,7 +209,6 @@ class TransactionProcessAdmin(ChangeViewActionsMixin, admin.ModelAdmin):
         url += '?process_id=%i' % process.id
         return '<a href="%s">%s</a>' % (url, transactions)
     display_transactions.short_description = _("Transactions")
-    display_transactions.allow_tags = True
 
     def has_add_permission(self, *args, **kwargs):
         return False