diff --git a/airflow/providers/salesforce/hooks/salesforce.py b/airflow/providers/salesforce/hooks/salesforce.py
index 36426e8522fbd..47549e5c7bceb 100644
--- a/airflow/providers/salesforce/hooks/salesforce.py
+++ b/airflow/providers/salesforce/hooks/salesforce.py
@@ -134,19 +134,19 @@ def get_conn(self) -> api.Salesforce:
             self.conn = Salesforce(
                 username=connection.login,
                 password=connection.password,
-                security_token=extras["extra__salesforce__security_token"] or None,
-                domain=extras["extra__salesforce__domain"] or None,
+                security_token=extras.get("extra__salesforce__security_token"),
+                domain=extras.get("extra__salesforce__domain"),
                 session_id=self.session_id,
-                instance=extras["extra__salesforce__instance"] or None,
-                instance_url=extras["extra__salesforce__instance_url"] or None,
-                organizationId=extras["extra__salesforce__organization_id"] or None,
-                version=extras["extra__salesforce__version"] or api.DEFAULT_API_VERSION,
-                proxies=extras["extra__salesforce__proxies"] or None,
+                instance=extras.get("extra__salesforce__instance"),
+                instance_url=extras.get("extra__salesforce__instance_url"),
+                organizationId=extras.get("extra__salesforce__organization_id"),
+                version=extras.get("extra__salesforce__version", api.DEFAULT_API_VERSION),
+                proxies=extras.get("extra__salesforce__proxies"),
                 session=self.session,
-                client_id=extras["extra__salesforce__client_id"] or None,
-                consumer_key=extras["extra__salesforce__consumer_key"] or None,
-                privatekey_file=extras["extra__salesforce__private_key_file_path"] or None,
-                privatekey=extras["extra__salesforce__private_key"] or None,
+                client_id=extras.get("extra__salesforce__client_id"),
+                consumer_key=extras.get("extra__salesforce__consumer_key"),
+                privatekey_file=extras.get("extra__salesforce__private_key_file_path"),
+                privatekey=extras.get("extra__salesforce__private_key"),
             )
         return self.conn