diff --git a/astrodendro/structure.py b/astrodendro/structure.py
index 0eb7d30..32d72a5 100644
--- a/astrodendro/structure.py
+++ b/astrodendro/structure.py
@@ -332,7 +332,7 @@ def newick(self):
             raise ValueError("Cannot return Newick representation if idx is not set")
         if self.children:
             newick_items = [child.newick for child in self.children]
-            return "(%s)%s:%.3f" % (','.join(newick_items), self.idx, self.height)
+            return "(%s)%s:%.3f" % (','.join(newick_items), self.idx, self.vmax - self.vmin)
         else:
             return "%i:%.3f" % (self.idx, self.height)