diff --git a/etlhelper/db_helpers/oracle.py b/etlhelper/db_helpers/oracle.py
index a481370..1e9abbe 100644
--- a/etlhelper/db_helpers/oracle.py
+++ b/etlhelper/db_helpers/oracle.py
@@ -66,5 +66,5 @@ def get_sqlalchemy_connection_string(self, db_params, password_variable):
         Returns connection string for SQLAlchemy engine.
         """
         password = self.get_password(password_variable)
-        return (f'oracle://{db_params.user}:{password}@'
+        return (f'oracle+oracledb://{db_params.user}:{password}@'
                 f'{db_params.host}:{db_params.port}/{db_params.dbname}')