From 17c4e8d81765021275170084b464bd1062f8d9ed Mon Sep 17 00:00:00 2001
From: zorkow <volker.sorge@gmail.com>
Date: Wed, 7 Feb 2024 18:35:56 +0100
Subject: [PATCH] Incorporates review suggestions.

---
 ts/a11y/explorer.ts | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/ts/a11y/explorer.ts b/ts/a11y/explorer.ts
index 6a93ab0d2..a20e77938 100644
--- a/ts/a11y/explorer.ts
+++ b/ts/a11y/explorer.ts
@@ -123,12 +123,12 @@ export function ExplorerMathItemMixin<B extends Constructor<HTMLMATHITEM>>(
      * @override
      */
     public rerender(document: ExplorerMathDocument, start: number = STATE.RERENDER) {
-      let speech = this.explorers.speech;
-      if (speech.attached && speech.active) {
-        const focus = speech.semanticFocus();
-        this.refocus = focus ? focus.id : null;
-      }
       if (this.explorers) {
+        let speech = this.explorers.speech;
+        if (speech && speech.attached && speech.active) {
+          const focus = speech.semanticFocus();
+          this.refocus = focus ? focus.id : null;
+        }
         this.explorers.reattach();
       }
       super.rerender(document, start);