diff --git a/airflow/providers/google/cloud/transfers/postgres_to_gcs.py b/airflow/providers/google/cloud/transfers/postgres_to_gcs.py
index 3f3012514df06..97748003dbaee 100644
--- a/airflow/providers/google/cloud/transfers/postgres_to_gcs.py
+++ b/airflow/providers/google/cloud/transfers/postgres_to_gcs.py
@@ -88,7 +88,7 @@ class PostgresToGCSOperator(BaseSQLToGCSOperator):
         20: 'INTEGER',
         21: 'INTEGER',
         23: 'INTEGER',
-        16: 'BOOLEAN',
+        16: 'BOOL',
         700: 'FLOAT',
         701: 'FLOAT',
         1700: 'FLOAT',