diff --git a/backend/app/main.py b/backend/app/main.py
index 65b0c2d..11a0693 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -204,7 +204,7 @@ def send_completed_inspection_to_n8n(inspection, db):
         # No lanzamos excepción para no interrumpir el flujo normal
 
 
-BACKEND_VERSION = "1.0.85"
+BACKEND_VERSION = "1.0.86"
 app = FastAPI(title="Checklist Inteligente API", version=BACKEND_VERSION)
 
 # S3/MinIO configuration
@@ -2965,7 +2965,7 @@ FORMATO DE RESPUESTA:
             client = OpenAI(api_key=ai_config.api_key)
             
             response = client.chat.completions.create(
-                model=ai_config.model or "gpt-4",
+                model=ai_config.model_name or "gpt-4",
                 messages=messages,
                 max_tokens=max_tokens,
                 temperature=0.7
@@ -2978,7 +2978,7 @@ FORMATO DE RESPUESTA:
             import google.generativeai as genai
             genai.configure(api_key=ai_config.api_key)
             
-            model = genai.GenerativeModel(ai_config.model or 'gemini-pro')
+            model = genai.GenerativeModel(ai_config.model_name or 'gemini-pro')
             
             # Gemini maneja el chat diferente
             # Convertir mensajes al formato de Gemini
@@ -3003,7 +3003,7 @@ FORMATO DE RESPUESTA:
             "response": ai_response,
             "confidence": confidence,
             "provider": ai_config.provider,
-            "model": ai_config.model
+            "model": ai_config.model_name
         }
         
     except Exception as e: