diff --git a/REST/app.py b/REST/app.py
index 2978dd2..4e00f51 100644
--- a/REST/app.py
+++ b/REST/app.py
@@ -25,9 +25,16 @@ def initialize_generator():
     if initialized:
             return create_response(200, 'System is already initialised, random numbers can be requested')
     
+    start_time = time.time()
     with lock:  # Sperre (Lock) verwenden, um sicherzustellen, dass nur ein Thread die Methode ausführt
         result = analyze_data(int(1), int(1), startup=True)
-
+        
+    end_time = time.time()    
+    duration = end_time - start_time
+    
+    if duration > 60:
+        return create_response(555, 'Unable to initialize the random number generator within a timeout of 60 seconds')
+    else:
         if result is True:
             initialized = True
             return create_response(200, 'Successful operation; random number generator is ready and random numbers can be requested')