diff --git a/force_bdss/io/workflow_writer.py b/force_bdss/io/workflow_writer.py
index 3a2eee725c519502759f240a7e29c554f1e0f458..66379aea9e1970baa9c4ff2c9301b81608462b4c 100644
--- a/force_bdss/io/workflow_writer.py
+++ b/force_bdss/io/workflow_writer.py
@@ -20,7 +20,7 @@ class WorkflowWriter(HasStrictTraits):
         data = dict(version="1")
 
         data["workflow"] = self._workflow_data(workflow)
-        json.dump(data, f)
+        json.dump(data, f, indent=4)
 
     def _workflow_data(self, workflow):
         workflow_data = {