diff --git a/web/frontend/src/Status.root.svelte b/web/frontend/src/Status.root.svelte
index d00d9c3..d0d7ba1 100644
--- a/web/frontend/src/Status.root.svelte
+++ b/web/frontend/src/Status.root.svelte
@@ -67,7 +67,7 @@
         );
 
     let isHistogramSelectionOpen = false
-    $: metricsInHistograms = cluster ? ccconfig[`user_view_histogramMetrics:${cluster}`] : (ccconfig.user_view_histogramMetrics || [])
+    $: metricsInHistograms = cluster ? (ccconfig[`user_view_histogramMetrics:${cluster}`] || []) : (ccconfig.user_view_histogramMetrics || [])
 
     const client = getContextClient();
     $: mainQuery = queryStore({
diff --git a/web/frontend/src/User.root.svelte b/web/frontend/src/User.root.svelte
index 73c4dd0..f368851 100644
--- a/web/frontend/src/User.root.svelte
+++ b/web/frontend/src/User.root.svelte
@@ -31,7 +31,7 @@
         ? !!ccconfig[`plot_list_showFootprint:${filterPresets.cluster}`]
         : !!ccconfig.plot_list_showFootprint
 
-    $: metricsInHistograms = selectedCluster ? ccconfig[`user_view_histogramMetrics:${selectedCluster}`] : (ccconfig.user_view_histogramMetrics || [])
+    $: metricsInHistograms = selectedCluster ? (ccconfig[`user_view_histogramMetrics:${selectedCluster}`] || []) : (ccconfig.user_view_histogramMetrics || [])
 
     const client = getContextClient();
     $: stats = queryStore({