diff --git a/src/panels/config/automation/blueprint-automation-editor.ts b/src/panels/config/automation/blueprint-automation-editor.ts
index e134f3dacd..907ee3bb03 100644
--- a/src/panels/config/automation/blueprint-automation-editor.ts
+++ b/src/panels/config/automation/blueprint-automation-editor.ts
@@ -278,7 +278,7 @@ export class HaBlueprintAutomationEditor extends LitElement {
     if (!name) {
       return;
     }
-    const newVal = ev.detail.value;
+    const newVal = target.value;
     if ((this.config![name] || "") === newVal) {
       return;
     }