diff --git a/invenio_pages/ext.py b/invenio_pages/ext.py
index e2fa241..f67ce33 100644
--- a/invenio_pages/ext.py
+++ b/invenio_pages/ext.py
@@ -2,20 +2,22 @@
 #
 # This file is part of Invenio.
 # Copyright (C) 2015-2022 CERN.
+# Copyright (C) 2023 Graz University of Technology.
 #
 # Invenio is free software; you can redistribute it and/or modify it
 # under the terms of the MIT License; see LICENSE file for more details.
 
 """Static pages module for Invenio."""
 
-from flask import url_for
+from flask import request, url_for
 from jinja2.sandbox import SandboxedEnvironment
 from werkzeug.exceptions import NotFound
 
 from . import config
+from .records.models import PageModel as Page
 from .resources import PageResource, PageResourceConfig
 from .services import PageService, PageServiceConfig
-from .views import handle_not_found
+from .views import add_url_rule, handle_not_found, render_page
 
 
 class InvenioPages(object):
@@ -113,3 +115,29 @@ def init_resources(self, app):
 
 class InvenioPagesREST(InvenioPages):
     """Invenio App ILS REST API app."""
+
+
+def finalize_app(app):
+    """Finalize app."""
+    register_pages(app)
+
+
+def register_pages(app):
+    """Register URL rule of all static pages to the application."""
+    # We need to set the function view, to be able to directly register the urls
+    # in the Flask.url_map
+    app.view_functions["invenio_pages.view"] = view
+
+    for page in Page.query.all():
+        add_url_rule(page.url)
+
+
+def view():
+    """Public interface to the page view.
+
+    Models: `pages.pages`.
+    Templates: Uses the template defined by the ``template_name`` field
+    or ``pages/default.html`` if template_name is not defined.
+    Context: page `pages.pages` object.
+    """
+    return render_page(request.path)  # pragma: no cover
diff --git a/invenio_pages/views.py b/invenio_pages/views.py
index 4627769..d7fabc1 100644
--- a/invenio_pages/views.py
+++ b/invenio_pages/views.py
@@ -2,6 +2,7 @@
 #
 # This file is part of Invenio.
 # Copyright (C) 2015-2022 CERN.
+# Copyright (C) 2023 Graz University of Technology.
 #
 # Invenio is free software; you can redistribute it and/or modify it
 # under the terms of the MIT License; see LICENSE file for more details.
@@ -14,8 +15,7 @@
 from sqlalchemy.orm.exc import NoResultFound
 from werkzeug.exceptions import NotFound
 
-from invenio_pages.proxies import current_pages_service
-
+from .proxies import current_pages_service
 from .records.models import PageModel as Page
 
 blueprint = Blueprint(
@@ -23,16 +23,6 @@
 )
 
 
-@blueprint.before_app_first_request
-def register_pages():
-    """Register URL rule of all static pages to the application."""
-    # We need to set the function view, to be able to directly register the urls in the Flask.url_map
-    current_app.view_functions["invenio_pages.view"] = view
-
-    for page in Page.query.all():
-        _add_url_rule(page.url)
-
-
 @blueprint.app_template_filter("render_string")
 def render_string(source):
     """Render a string in sandboxed environment.
@@ -43,32 +33,6 @@ def render_string(source):
     return current_app.extensions["invenio-pages"].render_template(source)
 
 
-def view():
-    """Public interface to the page view.
-
-    Models: `pages.pages`.
-    Templates: Uses the template defined by the ``template_name`` field
-    or ``pages/default.html`` if template_name is not defined.
-    Context: page `pages.pages` object.
-    """
-    return render_page(request.path)  # pragma: no cover
-
-
-def render_page(path):
-    """Internal interface to the page view.
-
-    :param path: Page path.
-    :returns: The rendered template.
-    """
-    try:
-        page = current_pages_service.read_by_url(g.identity, request.path).to_dict()
-    except NoResultFound:
-        abort(404)
-    return render_template(
-        [page["template_name"], current_app.config["PAGES_DEFAULT_TEMPLATE"]], page=page
-    )
-
-
 def handle_not_found(exception, **extra):
     """Custom blueprint exception handler."""
     assert isinstance(exception, NotFound)
@@ -77,7 +41,7 @@ def handle_not_found(exception, **extra):
         db.or_(Page.url == request.path, Page.url == request.path + "/")
     ).first()
     if page:
-        _add_url_rule(page.url)
+        add_url_rule(page.url)
         return render_template(
             [page.template_name, current_app.config["PAGES_DEFAULT_TEMPLATE"]],
             page=page,
@@ -88,7 +52,7 @@ def handle_not_found(exception, **extra):
         return exception
 
 
-def _add_url_rule(url):
+def add_url_rule(url, app=None):
     """Register URL rule to application URL map."""
     rule = current_app.url_rule_class(
         url,
@@ -104,3 +68,18 @@ def create_pages_api_bp(app):
     """Create the pages resource api blueprint."""
     ext = app.extensions["invenio-pages"]
     return ext.pages_resource.as_blueprint()
+
+
+def render_page(path):
+    """Internal interface to the page view.
+
+    :param path: Page path.
+    :returns: The rendered template.
+    """
+    try:
+        page = current_pages_service.read_by_url(g.identity, request.path).to_dict()
+    except NoResultFound:
+        abort(404)
+    return render_template(
+        [page["template_name"], current_app.config["PAGES_DEFAULT_TEMPLATE"]], page=page
+    )
diff --git a/setup.cfg b/setup.cfg
index 44f4e86..5215399 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -74,6 +74,8 @@ invenio_administration.views =
     invenio_pages_list = invenio_pages.administration.views.pages:PageListView
     invenio_pages_details = invenio_pages.administration.views.pages:PageDetailView
     invenio_pages_create = invenio_pages.administration.views.pages:PageEditView
+invenio_base.finalize_app =
+    invenio_pages = invenio_pages.ext:finalize_app
 
 [extract_messages]
 copyright_holder = CERN