diff --git a/components/SystemMetricsChart.vue b/components/SystemMetricsChart.vue
index d51707b..f4e30fe 100644
--- a/components/SystemMetricsChart.vue
+++ b/components/SystemMetricsChart.vue
@@ -293,7 +293,7 @@ const visibleHistory = computed(() => {
   return history.value.filter((point) => point.sampledAt >= minTimestamp)
 })
 
-const scaleMax = 100
+const scaleMax = computed(() => 100)
 
 const formatValue = (value: number) => `${Math.round(value)}%`