diff --git a/examples/wdlviz.py b/examples/wdlviz.py
index 9ee507dc..ba2fd832 100755
--- a/examples/wdlviz.py
+++ b/examples/wdlviz.py
@@ -142,7 +142,7 @@ def add_node(graph, workflow, node):
                 if id(node.callee) not in nodes_visited:
                     nodes_visited.add(id(node.callee))
                     with top.subgraph(name=f"cluster-{id(node.callee)}") as sg:
-                        sg.attr(label=f"<<B>{node.callee.name}</B>>", fontname=fontname, rank="max")
+                        sg.attr(label=f"<<B>{node.callee.name}</B>>", fontname=fontname)
                         add_workflow(sg, node.callee)
                 graph.edge(str(id(workflow)), str(id(node.callee)), style="invis")  # helps layout
                 # dotted edge from call to subworkflow