diff --git a/mayan/apps/document_states/models.py b/mayan/apps/document_states/models.py
index d718fd7b5f..d006dcf6c3 100644
--- a/mayan/apps/document_states/models.py
+++ b/mayan/apps/document_states/models.py
@@ -97,7 +97,7 @@ class Workflow(models.Model):
     def render(self):
         diagram = Digraph(
             name='finite_state_machine', graph_attr={
-                'rankdir': 'LR',
+                'rankdir': 'LR', 'splines': 'polyline'
             }, format='png'
         )