diff --git a/subscription/forms.py b/subscription/forms.py
index 0d808997..1fcf37f4 100644
--- a/subscription/forms.py
+++ b/subscription/forms.py
@@ -79,7 +79,6 @@ class SubscriptionNewUserForm(SubscriptionForm):
     """
 
     allowed_payment_methods = ["CARD", "CASH"]
-    template_name = "subscription/forms/create_new_user.jinja"
 
     __user_fields = forms.fields_for_model(
         User,
@@ -153,7 +152,6 @@ class SubscriptionNewUserForm(SubscriptionForm):
 class SubscriptionExistingUserForm(SubscriptionForm):
     """Form to add a subscription to an existing user."""
 
-    template_name = "subscription/forms/create_existing_user.jinja"
     required_css_class = "required"
 
     birthdate = forms.fields_for_model(
diff --git a/subscription/templates/subscription/forms/create_existing_user.jinja b/subscription/templates/subscription/forms/create_existing_user.jinja
deleted file mode 100644
index 380abb01..00000000
--- a/subscription/templates/subscription/forms/create_existing_user.jinja
+++ /dev/null
@@ -1,28 +0,0 @@
-{% load static %}
-{% load i18n %}
-
-
-<div x-data="existing_user_subscription_form" class="form-content existing-user">
-  <fieldset>
-    {{ errors }}
-    {% for field, errors in fields %}
-      <p{% with classes=field.css_classes %}{% if classes %} class="{{ classes }}"{% endif %}{% endwith %}>
-        {{ field.label_tag }}
-        {{ field }}
-        {% if field.help_text %}
-          <span class="helptext">{{ field.help_text }}</span>
-        {% endif %}
-      </p>
-      {% if field.name == "payment_method" %}
-        <i>
-          {% blocktranslate %}If the subscription is done using the AE account, you must also click it on the AE counter.{% endblocktranslate %}
-        </i>
-      {% endif %}
-    {% endfor %}
-  </fieldset>
-  <div
-    id="subscription-form-user-mini-profile"
-    x-html="profileFragment"
-    :aria-busy="loading"
-  ></div>
-</div>
diff --git a/subscription/templates/subscription/forms/create_new_user.jinja b/subscription/templates/subscription/forms/create_new_user.jinja
deleted file mode 100644
index c22df09b..00000000
--- a/subscription/templates/subscription/forms/create_new_user.jinja
+++ /dev/null
@@ -1 +0,0 @@
-{{ form.as_p }}
\ No newline at end of file
diff --git a/subscription/templates/subscription/fragments/creation_form_existing_user.jinja b/subscription/templates/subscription/fragments/creation_form_existing_user.jinja
new file mode 100644
index 00000000..ae82bdd3
--- /dev/null
+++ b/subscription/templates/subscription/fragments/creation_form_existing_user.jinja
@@ -0,0 +1,38 @@
+<form
+  hx-post="{{ url("subscription:fragment-existing-user") }}"
+  hx-target="this"
+  hx-disabled-elt="find input[type='submit']"
+  hx-swap="outerHTML"
+>
+  {% csrf_token %}
+
+  <div x-data="existing_user_subscription_form" class="form-content existing-user">
+    <fieldset>
+      {{ form.errors }}
+      {% for field in form %}
+        <div class="form-group">
+          {{ field.label_tag() }}
+          {{ field }}
+          {% if field.help_text %}
+            <span class="helptext">{{ field.help_text }}</span>
+          {% endif %}
+          {% if field.name == "payment_method" %}
+            <i>
+              {% trans trimmed %}
+                If the subscription is done using the AE account,
+                you must also click it on the AE counter.
+              {% endtrans %}
+            </i>
+          {% endif %}
+        </div>
+      {% endfor %}
+    </fieldset>
+    <div
+      id="subscription-form-user-mini-profile"
+      x-html="profileFragment"
+      :aria-busy="loading"
+    ></div>
+  </div>
+
+  <input type="submit" value="{% trans %}Save{% endtrans %}">
+</form>
diff --git a/subscription/templates/subscription/fragments/creation_form.jinja b/subscription/templates/subscription/fragments/creation_form_new_user.jinja
similarity index 76%
rename from subscription/templates/subscription/fragments/creation_form.jinja
rename to subscription/templates/subscription/fragments/creation_form_new_user.jinja
index 697c04bc..ff36a9f1 100644
--- a/subscription/templates/subscription/fragments/creation_form.jinja
+++ b/subscription/templates/subscription/fragments/creation_form_new_user.jinja
@@ -1,5 +1,5 @@
 <form
-  hx-post="{{ post_url }}"
+  hx-post="{{ url("subscription:fragment-existing-user") }}"
   hx-target="this"
   hx-disabled-elt="find input[type='submit']"
   hx-swap="outerHTML"
diff --git a/subscription/templates/subscription/subscription.jinja b/subscription/templates/subscription/subscription.jinja
index 45e88e18..e7476eb0 100644
--- a/subscription/templates/subscription/subscription.jinja
+++ b/subscription/templates/subscription/subscription.jinja
@@ -18,22 +18,14 @@
   <link rel="stylesheet" href="{{ static("subscription/css/subscription.scss") }}">
 {% endblock %}
 
-{% macro form_fragment(form_object, post_url) %}
-  {# Include the form fragment inside a with block,
-  in order to inject the right form in the right place #}
-  {% with form=form_object, post_url=post_url %}
-    {% include "subscription/fragments/creation_form.jinja" %}
-  {% endwith %}
-{% endmacro %}
-
 {% block content %}
   <h3>{% trans %}New subscription{% endtrans %}</h3>
   <ui-tab-group id="subscription-form">
     <ui-tab title="{% trans %}Existing member{% endtrans %}" active>
-      {{ form_fragment(existing_user_form, existing_user_post_url) }}
+      {{ existing_user_fragment }}
     </ui-tab>
     <ui-tab title="{% trans %}New member{% endtrans %}">
-      {{ form_fragment(new_user_form, new_user_post_url) }}
+      {{ new_user_fragment }}
     </ui-tab>
   </ui-tab-group>
 {% endblock %}
diff --git a/subscription/views.py b/subscription/views.py
index fb4cde07..505f9614 100644
--- a/subscription/views.py
+++ b/subscription/views.py
@@ -23,6 +23,7 @@ from django.utils.translation import gettext_lazy as _
 from django.views.generic import CreateView, DetailView, TemplateView
 from django.views.generic.edit import FormView
 
+from core.views import FragmentMixin, UseFragmentsMixin
 from core.views.group import PermissionGroupsUpdateView
 from subscription.forms import (
     SelectionDateForm,
@@ -32,24 +33,9 @@ from subscription.forms import (
 from subscription.models import Subscription
 
 
-class NewSubscription(PermissionRequiredMixin, TemplateView):
-    template_name = "subscription/subscription.jinja"
-    permission_required = "subscription.add_subscription"
-
-    def get_context_data(self, **kwargs):
-        return super().get_context_data(**kwargs) | {
-            "existing_user_form": SubscriptionExistingUserForm(
-                initial={"member": self.request.GET.get("member")}
-            ),
-            "new_user_form": SubscriptionNewUserForm(),
-            "existing_user_post_url": reverse("subscription:fragment-existing-user"),
-            "new_user_post_url": reverse("subscription:fragment-new-user"),
-        }
-
-
-class CreateSubscriptionFragment(PermissionRequiredMixin, CreateView):
-    template_name = "subscription/fragments/creation_form.jinja"
+class CreateSubscriptionFragment(PermissionRequiredMixin, FragmentMixin, CreateView):
     permission_required = "subscription.add_subscription"
+    object = None
 
     def get_success_url(self):
         return reverse(
@@ -61,14 +47,14 @@ class CreateSubscriptionExistingUserFragment(CreateSubscriptionFragment):
     """Create a subscription for a user who already exists."""
 
     form_class = SubscriptionExistingUserForm
-    extra_context = {"post_url": reverse_lazy("subscription:fragment-existing-user")}
+    template_name = "subscription/fragments/creation_form_existing_user.jinja"
 
 
 class CreateSubscriptionNewUserFragment(CreateSubscriptionFragment):
     """Create a subscription for a user who doesn't exist yet."""
 
     form_class = SubscriptionNewUserForm
-    extra_context = {"post_url": reverse_lazy("subscription:fragment-new-user")}
+    template_name = "subscription/fragments/creation_form_new_user.jinja"
 
     def form_valid(self, form):
         res = super().form_valid(form)
@@ -83,6 +69,15 @@ class CreateSubscriptionNewUserFragment(CreateSubscriptionFragment):
         return res
 
 
+class NewSubscription(PermissionRequiredMixin, UseFragmentsMixin, TemplateView):
+    template_name = "subscription/subscription.jinja"
+    permission_required = "subscription.add_subscription"
+    fragments = {
+        "new_user_fragment": CreateSubscriptionNewUserFragment,
+        "existing_user_fragment": CreateSubscriptionExistingUserFragment,
+    }
+
+
 class SubscriptionCreatedFragment(PermissionRequiredMixin, DetailView):
     template_name = "subscription/fragments/creation_success.jinja"
     permission_required = "subscription.add_subscription"