diff --git a/scripts/gen_centered_graph.py b/scripts/gen_centered_graph.py
index fb825b7..ab997e8 100644
--- a/scripts/gen_centered_graph.py
+++ b/scripts/gen_centered_graph.py
@@ -93,7 +93,7 @@ def gen(headline_id, graph, doc_to_headline_remapping):
     g = centered_graph
 
     with tempfile.NamedTemporaryFile(suffix='.dot', mode='wt') as f:
-        f.write('digraph {\n')
+        f.write('strict digraph {\n')
         f.write('maxiter=1000\n')
         f.write('splines=curved\n')
         # f.write('splines=spline\n') # Not supported with edges to cluster