diff --git a/README.md b/README.md
index e51c9c2..d399b8f 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,10 @@ Scan:
 
 Transfert:
 - [x] Transférer les scans
-- URL de transfert: `http://<addresse du serveur>/submit-isbn?isbn=`
+- URL de transfert: `http://<addresse du serveur>/app/submit-isbn?isbn=`
 - Type de requête: `GET` et ajouter simplement le contenu
 
-Vous recevrez un macaron vous indiquant si il faut finir de taper les données à la main sur l'interface web (`http://<addresse du serveur>/`)
+Vous recevrez un macaron vous indiquant si il faut finir de taper les données à la main sur l'interface web (`http://<addresse du serveur>/app/`)
 
 > Attention, cela suppose que le serveur expose ses ports, pour cela, utilisez la commande suivante:  
 > `flask run --host=0.0.0.0 --port=5000`
\ No newline at end of file
diff --git a/isbn_sort/__init__.py b/isbn_sort/__init__.py
index 80f2457..91937d9 100644
--- a/isbn_sort/__init__.py
+++ b/isbn_sort/__init__.py
@@ -1,94 +1,20 @@
-from flask import Flask, render_template, redirect, request, g, flash
+from flask import Flask, redirect, g
 import secrets
-import json
 
-from .book import Book
-from . import isbn_db, sse
+from .app import bp as app_bp
 
 app = Flask(__name__)
 
 app.config["DATABASE"] = "data/books.sqlite"
 app.config["SECRET_KEY"] = secrets.token_hex()
 
-@app.route("/submit-isbn")
-def submit_isbn():
-    if "isbn" not in request.args:
-        return "/submit-isbn?isbn=xxxxxx"
+app.register_blueprint(app_bp)
 
-    if request.args["isbn"] == "":
-        return "Pas d'ISBN spécifié"
-
-    try:
-        book = Book(request.args["isbn"])
-    except ValueError:
-        return "Pas le bon format de QR code"
-
-    try:
-        book.load()
-    except KeyError:
-        isbn_db.add_book(book)
-        return "Pas trouvé, à rajouter manuellement"
-
-    print("Got ", book)
-    if isbn_db.add_book(book) == "duplicate":
-        return f"{book.title} ajouté (plusieurs occurrences)"
-    return f"{book.title} ajouté"
-
-@app.route("/web-submit-isbn")
-def web_submit_isbn():
-    flash(submit_isbn())
-    return redirect("/")
-
-@app.route("/")
-def index():
-    return render_template("index.html", books=isbn_db.get_all_books())
-
-
-@app.route("/delete-book", methods=["POST"])
-def delete_book():
-    if "isbn" not in request.form:
-        return "missing isbn"
-
-    isbn_db.delete_book(request.form["isbn"])
-    return redirect("/")
-
-@app.route("/update-book", methods=["POST"])
-def update_book():
-    attributes = ["isbn", "count", "title", "author", "publisher", "publish_date"]
-    if True in [i not in request.form for i in attributes]:
-        return "missing an attribute"
-    
-    form_data = request.form.copy()
-
-    for attribute in attributes:
-        if form_data[attribute] == "None":
-            form_data[attribute] = None
-
-    book = Book(form_data["isbn"])
-    book._manual_load(
-        form_data["title"],
-        publisher=form_data["publisher"],
-        publish_date=form_data["publish_date"],
-        author=form_data["author"],
-        count=int(form_data["count"])
-    )
-    isbn_db.update_book(book)
-    return redirect("/")
-
-@app.route("/export-csv")
-def export_csv():
-    books = isbn_db.get_all_books()
-
-    csv = "ISBN;Titre;Auteur;Éditeur;Date;Nombre\n"
-    for book in books:
-        csv += f"{book.isbn};{book.title};{book.author};{book.publisher};{book.publish_date};{book.count}\n"
-
-    # return as file with a good filename
-    return app.response_class(
-        csv,
-        mimetype="text/csv",
-        headers={"Content-Disposition": "attachment;filename=books.csv"}
-    )
+@app.route("/<path>")
+def handle_redirect(path):
+    if not path.startswith("/app"):
+        return redirect("/app"+path, 301)
+    abort(404)
 
 @app.after_request
 def after_request(response):
diff --git a/isbn_sort/app.py b/isbn_sort/app.py
new file mode 100644
index 0000000..60228ed
--- /dev/null
+++ b/isbn_sort/app.py
@@ -0,0 +1,88 @@
+from flask import render_template, redirect, request, flash, Blueprint, current_app, url_for
+
+import json
+
+from .book import Book
+from . import isbn_db
+
+bp = Blueprint("app", __name__, url_prefix="/app")
+
+@bp.route("/submit-isbn")
+def submit_isbn():
+    if "isbn" not in request.args:
+        return "/submit-isbn?isbn=xxxxxx"
+
+    if request.args["isbn"] == "":
+        return "Pas d'ISBN spécifié"
+
+    try:
+        book = Book(request.args["isbn"])
+    except ValueError:
+        return "Pas le bon format de QR code"
+
+    try:
+        book.load()
+    except KeyError:
+        isbn_db.add_book(book)
+        return "Pas trouvé, à rajouter manuellement"
+
+    print("Got ", book)
+    if isbn_db.add_book(book) == "duplicate":
+        return f"{book.title} ajouté (plusieurs occurrences)"
+    return f"{book.title} ajouté"
+
+@bp.route("/web-submit-isbn")
+def web_submit_isbn():
+    flash(submit_isbn())
+    return redirect(url_for("app.index"))
+
+@bp.route("/")
+def index():
+    return render_template("index.html", books=isbn_db.get_all_books())
+
+
+@bp.route("/delete-book", methods=["POST"])
+def delete_book():
+    if "isbn" not in request.form:
+        return "missing isbn"
+
+    isbn_db.delete_book(request.form["isbn"])
+    return redirect(url_for("app.index"))
+
+@bp.route("/update-book", methods=["POST"])
+def update_book():
+    attributes = ["isbn", "count", "title", "author", "publisher", "publish_date"]
+    if True in [i not in request.form for i in attributes]:
+        return "missing an attribute"
+    
+    form_data = request.form.copy()
+
+    for attribute in attributes:
+        if form_data[attribute] == "None":
+            form_data[attribute] = None
+
+    book = Book(form_data["isbn"])
+    book._manual_load(
+        form_data["title"],
+        publisher=form_data["publisher"],
+        publish_date=form_data["publish_date"],
+        author=form_data["author"],
+        count=int(form_data["count"])
+    )
+    isbn_db.update_book(book)
+    return redirect(url_for("app.index"))
+
+@bp.route("/export-csv")
+def export_csv():
+    books = isbn_db.get_all_books()
+
+    csv = "ISBN;Titre;Auteur;Éditeur;Date;Nombre\n"
+    for book in books:
+        csv += f"{book.isbn};{book.title};{book.author};{book.publisher};{book.publish_date};{book.count}\n"
+
+    # return as file with a good filename
+    return current_app.response_class(
+        csv,
+        mimetype="text/csv",
+        headers={"Content-Disposition": "attachment;filename=books.csv"}
+    )
\ No newline at end of file
diff --git a/isbn_sort/templates/index.html b/isbn_sort/templates/index.html
index 25ab85b..7b19c28 100644
--- a/isbn_sort/templates/index.html
+++ b/isbn_sort/templates/index.html
@@ -8,7 +8,7 @@
 
 {% block content %}
 <dialog id="edit-book-dialog">
-    <form id="edit-book-form" action="/update-book" method="post">
+    <form id="edit-book-form" action="/app/update-book" method="post">
         <input type="hidden" id="edit-isbn" value="" name="isbn">
         <label for="edit-title">Titre:</label><br>
         <input type="text" id="edit-title" name="title"><br>
@@ -27,7 +27,7 @@
 <dialog id="delete-book-dialog">
     <p>Êtes-vous sûr de supprimer ce livre ?</p>
     <b id="delete-book-name">Nom du livre...</b>
-    <form id="delete-book-form" action="/delete-book" method="post">
+    <form id="delete-book-form" action="/app/delete-book" method="post">
         <input type="hidden" id="delete-isbn" value="" name="isbn">
         <input type="submit" value="Oui">
     </form>
@@ -35,7 +35,7 @@
 </dialog>
 <div id="add-book">
     Ajouter manuellement
-    <form action="web-submit-isbn">
+    <form action="/app/web-submit-isbn">
         <input type="text" name="isbn" placeholder="ISBN">
         <input type="submit" value="Ajouter">
     </form>
@@ -68,5 +68,5 @@
   </table>
 </div>
 <br/>
-<a href="/export-csv" download="books.csv">Exporter en CSV</a>
+<a href="/app/export-csv" download="books.csv">Exporter en CSV</a>
 {% endblock %}