diff --git a/src/nomad_catalysis/apps/heterogeneous_catalysis_app.py b/src/nomad_catalysis/apps/heterogeneous_catalysis_app.py
index 4b98be4..6185dff 100644
--- a/src/nomad_catalysis/apps/heterogeneous_catalysis_app.py
+++ b/src/nomad_catalysis/apps/heterogeneous_catalysis_app.py
@@ -66,7 +66,7 @@
         search_quantities:
           include:
             - '*#nomad_catalysis.schema_packages.catalysis.Cat*'
-        filter_menus:{}
+        filter_menus:
         menu:
           items:
           - type: menu