diff --git a/airflow/providers/google/cloud/transfers/gcs_to_bigquery.py b/airflow/providers/google/cloud/transfers/gcs_to_bigquery.py
index 94c233d6c5218..79ff8a4dfe285 100644
--- a/airflow/providers/google/cloud/transfers/gcs_to_bigquery.py
+++ b/airflow/providers/google/cloud/transfers/gcs_to_bigquery.py
@@ -528,7 +528,7 @@ def _create_external_table(self):
                 "skipLeadingRows",
                 "quote",
                 "encoding",
-                "preserveAsciiControlCharacters",
+                "preserveAsciiControlCharacters"
             ],
             "googleSheetsOptions": ["skipLeadingRows"],
         }
@@ -654,6 +654,7 @@ def _use_existing_table(self):
                 "nullMarker",
                 "quote",
                 "encoding",
+                "preserveAsciiControlCharacters"
             ],
             "DATASTORE_BACKUP": ["projectionFields"],
             "NEWLINE_DELIMITED_JSON": ["autodetect", "ignoreUnknownValues"],