diff --git a/force_bdss/io/workflow_reader.py b/force_bdss/io/workflow_reader.py
index 2089135cb55e564a8e33f7e7571449407787281c..db64510aa89deabf08aaaa4f320fa5d1666252e2 100644
--- a/force_bdss/io/workflow_reader.py
+++ b/force_bdss/io/workflow_reader.py
@@ -39,7 +39,7 @@ class WorkflowReader(HasStrictTraits):
             logging.error(
                 "File contains version {} that is not in the "
                 "list of supported versions {}".format(
-                version, SUPPORTED_FILE_VERSIONS)
+                    version, SUPPORTED_FILE_VERSIONS)
             )
             raise InvalidVersionException(
                 "File version {} not supported".format(json_data["version"]))