diff --git a/ihatemoney/forms.py b/ihatemoney/forms.py
index f6e89611..9f8eefa3 100644
--- a/ihatemoney/forms.py
+++ b/ihatemoney/forms.py
@@ -6,7 +6,7 @@ from flask import request
 from flask_babel import lazy_gettext as _
 from flask_wtf.file import FileAllowed, FileField, FileRequired
 from flask_wtf.form import FlaskForm
-from jinja2 import Markup
+from markupsafe import Markup
 from werkzeug.security import check_password_hash, generate_password_hash
 from wtforms.fields.core import Label, SelectField, SelectMultipleField
 from wtforms.fields.html5 import DateField, DecimalField, URLField
diff --git a/ihatemoney/run.py b/ihatemoney/run.py
index 4ce8aaaf..fc927e44 100644
--- a/ihatemoney/run.py
+++ b/ihatemoney/run.py
@@ -7,7 +7,7 @@ from flask import Flask, g, render_template, request, session
 from flask_babel import Babel, format_currency
 from flask_mail import Mail
 from flask_migrate import Migrate, stamp, upgrade
-from jinja2 import contextfilter
+from jinja2 import pass_context
 from werkzeug.middleware.proxy_fix import ProxyFix
 
 from ihatemoney import default_settings
@@ -158,7 +158,7 @@ def create_app(
 
     # Undocumented currencyformat filter from flask_babel is forwarding to Babel format_currency
     # We overwrite it to remove the currency sign ¤ when there is no currency
-    @contextfilter
+    @pass_context
     def currency(context, number, currency=None, *args, **kwargs):
         if currency is None:
             currency = context.get("g").project.default_currency
diff --git a/ihatemoney/tests/main_test.py b/ihatemoney/tests/main_test.py
index d495f3a9..2e7742f9 100644
--- a/ihatemoney/tests/main_test.py
+++ b/ihatemoney/tests/main_test.py
@@ -95,7 +95,7 @@ class CommandTestCase(BaseTestCase):
 
     def test_demo_project_deletion(self):
         self.create_project("demo")
-        self.assertEquals(models.Project.query.get("demo").name, "demo")
+        self.assertEqual(models.Project.query.get("demo").name, "demo")
 
         runner = self.app.test_cli_runner()
         runner.invoke(delete_project, "demo")
diff --git a/ihatemoney/web.py b/ihatemoney/web.py
index 106a85cb..baacff47 100644
--- a/ihatemoney/web.py
+++ b/ihatemoney/web.py
@@ -549,7 +549,7 @@ def export_project(file, format):
 
     return send_file(
         file2export,
-        attachment_filename=f"{g.project.id}-{file}.{format}",
+        download_name=f"{g.project.id}-{file}.{format}",
         as_attachment=True,
     )