diff --git a/site/src/components/MmpChart.svelte b/site/src/components/MmpChart.svelte
index cf7b3b4..40e3744 100644
--- a/site/src/components/MmpChart.svelte
+++ b/site/src/components/MmpChart.svelte
@@ -106,7 +106,7 @@
       y: {
         label: 'Avg power (W)',
         grid: true,
-        domain: [0, null],
+        zero: true,
       },
       color: {
         domain: selectedKeys,