diff --git a/src/panels/config/person/dialog-person-detail.ts b/src/panels/config/person/dialog-person-detail.ts
index 093cad58b4..9aad7d6dd5 100644
--- a/src/panels/config/person/dialog-person-detail.ts
+++ b/src/panels/config/person/dialog-person-detail.ts
@@ -222,7 +222,7 @@ class DialogPersonDetail extends LitElement {
   }
 
   private _openedChanged(ev: PolymerChangedEvent<boolean>): void {
-    if (ev.detail.value) {
+    if (!ev.detail.value) {
       this._params = undefined;
     }
   }