diff --git a/src/components/ha-selector/ha-selector-number.ts b/src/components/ha-selector/ha-selector-number.ts
index 6b2652b5b9..9f4d29a765 100644
--- a/src/components/ha-selector/ha-selector-number.ts
+++ b/src/components/ha-selector/ha-selector-number.ts
@@ -62,9 +62,9 @@ export class HaNumberSelector extends LitElement {
   private _handleInputChange(ev) {
     ev.stopPropagation();
     const value =
-      ev.detail.value === "" || isNaN(ev.detail.value)
+      ev.target.value === "" || isNaN(ev.target.value)
         ? undefined
-        : Number(ev.detail.value);
+        : Number(ev.target.value);
     if (this.value === value) {
       return;
     }