diff --git a/web/frontend/src/User.root.svelte b/web/frontend/src/User.root.svelte
index 9c94eca..55aacc1 100644
--- a/web/frontend/src/User.root.svelte
+++ b/web/frontend/src/User.root.svelte
@@ -1,13 +1,13 @@
+
+{#if data.length > 0}
+
+
+
+{:else}
+
Cannot render histogram: No data!
+{/if}
+
+
diff --git a/web/frontend/src/plots/MetricPlot.svelte b/web/frontend/src/plots/MetricPlot.svelte
index 6b45c70..a20b307 100644
--- a/web/frontend/src/plots/MetricPlot.svelte
+++ b/web/frontend/src/plots/MetricPlot.svelte
@@ -323,8 +323,9 @@
{#if series[0].data.length > 0}
{:else}
-
Cannot render plot: No series data returned for {metric}
+
Cannot render plot: No series data returned for {metric}
{/if}
+