diff --git a/providers/teradata/src/airflow/providers/teradata/operators/bteq.py b/providers/teradata/src/airflow/providers/teradata/operators/bteq.py
index 2557a525a1b78..847ff1734c9c7 100644
--- a/providers/teradata/src/airflow/providers/teradata/operators/bteq.py
+++ b/providers/teradata/src/airflow/providers/teradata/operators/bteq.py
@@ -17,6 +17,7 @@
 # under the License.
 from __future__ import annotations
 
+from collections.abc import Sequence
 from typing import TYPE_CHECKING, Literal
 
 from airflow.providers.teradata.utils.bteq_util import (
@@ -75,7 +76,7 @@ class BteqOperator(BaseOperator):
     :param timeout_rc: Return code to use if the BTEQ execution fails due to a timeout. To allow DAG execution to continue after a timeout, include this value in `bteq_quit_rc`. If not specified, a timeout will raise an exception and stop the DAG.
     """
 
-    template_fields = "sql"
+    template_fields: Sequence[str] = ("sql",)
     ui_color = "#ff976d"
 
     def __init__(
diff --git a/providers/teradata/tests/unit/teradata/operators/test_bteq.py b/providers/teradata/tests/unit/teradata/operators/test_bteq.py
index a099576960f7b..86bedcf8438a3 100644
--- a/providers/teradata/tests/unit/teradata/operators/test_bteq.py
+++ b/providers/teradata/tests/unit/teradata/operators/test_bteq.py
@@ -144,8 +144,7 @@ def test_on_kill_not_initialized(self):
 
     def test_template_fields(self):
         # Verify template fields are defined correctly
-        print(BteqOperator.template_fields)
-        assert BteqOperator.template_fields == "sql"
+        assert BteqOperator.template_fields == ("sql",)
 
     def test_execute_raises_if_no_sql_or_file(self):
         op = BteqOperator(task_id="fail_case", teradata_conn_id="td_conn")