diff --git a/wmbusmeters-ha-addon-edge/rootfs/flask/app.py b/wmbusmeters-ha-addon-edge/rootfs/flask/app.py
index 9908ab3..3ff34a8 100644
--- a/wmbusmeters-ha-addon-edge/rootfs/flask/app.py
+++ b/wmbusmeters-ha-addon-edge/rootfs/flask/app.py
@@ -109,13 +109,12 @@ def decrypt():
     else:
         return jsonify({'ERROR': 'Unable to extract details from file'})
 
-def get_ingress_path():
-    referer = request.headers.get('Referer')
-    if referer:
-        parsed_url = urlparse(referer)
-        path_parts = parsed_url.path.split('/')
-        if len(path_parts) > 3 and path_parts[2] == 'api' and path_parts[3] == 'hassio_ingress':
-            return path_parts[4]  # Extract ingress path
+def extract_ingress_path_from_url():
+    full_url = request.url
+    parsed_url = urlparse(full_url)
+    path_parts = parsed_url.path.split('/')
+    if len(path_parts) > 3 and path_parts[2] == 'api' and path_parts[3] == 'hassio_ingress':
+        return path_parts[4]
     return None
         
 @app.route('/drivers')
@@ -123,39 +122,39 @@ def drivers():
     files = os.listdir(DRIVER_DIRECTORY)
     return render_template('drivers.html', files=files)
 
-@app.route('/edit_driver/<filename>', methods=['GET', 'POST'])
-def edit_driver(filename):
-    filepath = os.path.join(DRIVER_DIRECTORY, filename)
-    ingress_path = get_ingress_path()
+@app.route('/add_driver', methods=['GET', 'POST'])
+def add_driver():
+    ingress_path = extract_ingress_path_from_url()
     if request.method == 'POST':
+        filename = request.form['filename']
         content = request.form['content']
+        filepath = os.path.join(DRIVER_DIRECTORY, filename)
         with open(filepath, 'w') as f:
             f.write(content)
         if ingress_path:
             return redirect(f"/api/hassio_ingress/{ingress_path}/drivers")
         return redirect(url_for('drivers'))
-    with open(filepath, 'r') as f:
-        content = f.read()
-    return render_template('edit_driver.html', filename=filename, content=content)
+    return render_template('add_driver.html', filename='', content='')
 
-@app.route('/add_driver', methods=['GET', 'POST'])
-def add_driver():
-    ingress_path = get_ingress_path()
+@app.route('/edit_driver/<filename>', methods=['GET', 'POST'])
+def edit_driver(filename):
+    filepath = os.path.join(DRIVER_DIRECTORY, filename)
+    ingress_path = extract_ingress_path_from_url()
     if request.method == 'POST':
-        filename = request.form['filename']
         content = request.form['content']
-        filepath = os.path.join(DRIVER_DIRECTORY, filename)
         with open(filepath, 'w') as f:
             f.write(content)
         if ingress_path:
             return redirect(f"/api/hassio_ingress/{ingress_path}/drivers")
         return redirect(url_for('drivers'))
-    return render_template('add_driver.html', filename='', content='')
+    with open(filepath, 'r') as f:
+        content = f.read()
+    return render_template('edit_driver.html', filename=filename, content=content)
 
 @app.route('/delete_driver/<filename>', methods=['POST'])
 def delete_driver(filename):
     filepath = os.path.join(DRIVER_DIRECTORY, filename)
-    ingress_path = get_ingress_path()
+    ingress_path = extract_ingress_path_from_url()
     if os.path.exists(filepath):
         os.remove(filepath)
     if ingress_path: