diff --git a/backend/src/entities/connection/utils/build-found-connection.ds.ts b/backend/src/entities/connection/utils/build-found-connection.ds.ts
index 89086c61b..39196f640 100644
--- a/backend/src/entities/connection/utils/build-found-connection.ds.ts
+++ b/backend/src/entities/connection/utils/build-found-connection.ds.ts
@@ -34,5 +34,6 @@ export function buildFoundConnectionDs(
     isTestConnection: connection.isTestConnection,
     connection_properties: connection.connection_properties,
     isFrozen: connection.is_frozen,
+    authSource: connection.authSource ? connection.authSource : undefined,
   };
 }