diff --git a/fava_investor/templates/Investor.html b/fava_investor/templates/Investor.html
index 540288e..975e238 100644
--- a/fava_investor/templates/Investor.html
+++ b/fava_investor/templates/Investor.html
@@ -202,24 +202,14 @@ <h3>What not to buy</h3>
 </tree-table>
 {% endmacro %}
 
-{% macro asset_allocation_hierarchy(serialised_tree, label='Asset Allocation') %}
-{% do chart_data.append({
-'type': 'hierarchy',
-'label': label,
-'data': {
-  'modifier': 1,
-  'root': serialised_tree,
-},
-}) %}
-{% endmacro %}
-
 {% if (module == 'aa_class') %}
   <h2>Portfolio: Asset Allocation by Class</h2>
 
   {% set chart_data = [] %}
   {% set results = extension.build_assetalloc_by_class() %}
 
-  {{ asset_allocation_hierarchy(results[0].serialise(results[0]['currency']), label='Asset Allocation') }}
+  {% set serialised_tree = results[0].serialise(results[0]['currency']) %}
+  {% set chart_data = [{ 'type': 'hierarchy', 'label': 'Asset Allocation', 'data': serialised_tree }] %}
   <svelte-component type="charts"><script type="application/json">{{ chart_data|tojson }}</script></svelte-component>
 
   {{ asset_tree(results[0]) }}
diff --git a/setup.py b/setup.py
index 3c07e13..724f189 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
         'Click >= 7.0',
         'beancount >= 2.3.2',
         'click_aliases >= 1.0.1',
-        'fava >= 1.23',
+        'fava >= 1.26',
         'packaging >= 20.3',
         'python_dateutil >= 2.8.1',
         'tabulate >= 0.8.9',