diff --git a/src/components/chart/state-history-chart-line.ts b/src/components/chart/state-history-chart-line.ts
index 064a23d27a..3ce2235320 100644
--- a/src/components/chart/state-history-chart-line.ts
+++ b/src/components/chart/state-history-chart-line.ts
@@ -63,7 +63,7 @@ class StateHistoryChartLine extends LitElement {
         animation: false,
         interaction: {
           mode: "nearest",
-          axis: "x",
+          axis: "xy",
         },
         scales: {
           x: {