diff --git a/backend/core/data_manager.py b/backend/core/data_manager.py
index 8703115..ba4d347 100644
--- a/backend/core/data_manager.py
+++ b/backend/core/data_manager.py
@@ -122,7 +122,7 @@ class DataManager:
     def get_connection(self):
         import pyodbc
         conn_str = (
-            f"DRIVER={{SQL Server}};"
+            f"DRIVER={{ODBC Driver 17 for SQL Server}};"  # <--- ¡ESTE ES EL CAMBIO MÁGICO!
             f"SERVER={self.server};"
             f"DATABASE={self.database};"
             f"UID={self.username};"