diff --git a/llm_server/routes/v1/generate.py b/llm_server/routes/v1/generate.py
index 436854c..2434813 100644
--- a/llm_server/routes/v1/generate.py
+++ b/llm_server/routes/v1/generate.py
@@ -75,7 +75,7 @@ def generate():
         else:
             raise Exception
 
-        log_prompt(client_ip, token, request_json_body['prompt'], backend_response, None, parameters, dict(request.headers), response if response else 0)
+        log_prompt(client_ip, token, request_json_body['prompt'], '', None, parameters, dict(request.headers), response if response else 0)
         return jsonify({
             'code': 500,
             'error': 'failed to reach backend',
@@ -112,7 +112,7 @@ def generate():
             }
         else:
             raise Exception
-        log_prompt(client_ip, token, request_json_body['prompt'], backend_response, elapsed_time, parameters, dict(request.headers), response.status_code)
+        log_prompt(client_ip, token, request_json_body['prompt'], '', elapsed_time, parameters, dict(request.headers), response.status_code)
         return jsonify({
             'code': 500,
             'error': 'the backend did not return valid JSON',