diff --git a/Client/src/python/dbs/apis/dbsClient.py b/Client/src/python/dbs/apis/dbsClient.py
index d8150a62..2be80b97 100644
--- a/Client/src/python/dbs/apis/dbsClient.py
+++ b/Client/src/python/dbs/apis/dbsClient.py
@@ -714,7 +714,7 @@ def listBlockOrigin(self, **kwargs):
 
         checkInputParameter(method="listBlockOrigin", parameters=kwargs.keys(), validParameters=validParameters,
                             requiredParameters=requiredParameters)
-	return self.__callServer('blockorigin', params=kwargs)
+        return self.__callServer('blockorigin', params=kwargs)
 
     def listDatasets(self, **kwargs):
         """