diff --git a/app.py b/app.py
index 162f26f..a0ad72a 100644
--- a/app.py
+++ b/app.py
@@ -8,13 +8,15 @@ app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///typewriter.db'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 db.init_app(app)
 
-# Laden der Lektionen aus der JSON-Datei mit Escape-Zeichen-Handling
+# Laden der Lektionen aus der JSON-Datei
 DATA_PATH = os.path.join(app.root_path, "data", "lessons.json")
-with open(DATA_PATH, "r", encoding="utf-8") as f:
-    data = f.read()
-    # Alle einfachen Backslashes verdoppeln
-    data = data.replace("\\", "\\\\")
-    lessons = json.loads(data)
+try:
+    with open(DATA_PATH, "r", encoding="utf-8") as f:
+        lessons = json.load(f)
+except json.JSONDecodeError as e:
+    print(f"Fehler beim Laden der JSON-Datei: {e}")
+    # Fallback: leere Liste, falls die Datei beschädigt ist
+    lessons = []
 
 @app.before_request
 def create_tables():
@@ -27,12 +29,15 @@ def index():
     
     if not progress:
         # Falls keine Daten vorhanden sind, initialisiere mit ersten Text
-        progress = Progress(current_text_index=0, current_position=0, last_text=lessons[0]['text'])
+        if lessons:
+            progress = Progress(current_text_index=0, current_position=0, last_text=lessons[0]['text'])
+        else:
+            progress = Progress(current_text_index=0, current_position=0, last_text="")
         db.session.add(progress)
         db.session.commit()
     
     # Hole den aktuellen Text
-    current_text = lessons[progress.current_text_index]['text']
+    current_text = lessons[progress.current_text_index]['text'] if lessons else ""
     
     return render_template('index.html', 
                          current_text=current_text,
@@ -125,19 +130,19 @@ def next_text():
     progress = Progress.query.first()
     
     # Wechsel zum nächsten Text
-    if progress.current_text_index < len(lessons) - 1:
+    if lessons and progress.current_text_index < len(lessons) - 1:
         progress.current_text_index += 1
     else:
         # Wenn wir am Ende sind, starten wir von vorne
         progress.current_text_index = 0
     
     progress.current_position = 0
-    progress.last_text = lessons[progress.current_text_index]['text']
+    progress.last_text = lessons[progress.current_text_index]['text'] if lessons else ""
     
     db.session.commit()
     
     return jsonify({
-        'text': lessons[progress.current_text_index]['text']
+        'text': lessons[progress.current_text_index]['text'] if lessons else ""
     })
 
 @app.route('/end_session', methods=['POST'])