From 3d2fa578739cefe1394dc471f7876d9ef40ce3fd Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Fri, 10 Apr 2026 23:01:07 +0300
Subject: [PATCH] fix(toc): equations sometimes duplicated

---
 apps/client/src/widgets/sidebar/TableOfContents.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/client/src/widgets/sidebar/TableOfContents.tsx b/apps/client/src/widgets/sidebar/TableOfContents.tsx
index fdf616ee26..eef19100eb 100644
--- a/apps/client/src/widgets/sidebar/TableOfContents.tsx
+++ b/apps/client/src/widgets/sidebar/TableOfContents.tsx
@@ -87,7 +87,7 @@ function TableOfContentsHeading({ heading, scrollToHeading, activeHeadingId }: {
     // Render math equations after component mounts/updates
     useEffect(() => {
         if (!contentRef.current) return;
-        const mathElements = contentRef.current.querySelectorAll(".ck-math-tex");
+        const mathElements = contentRef.current.querySelectorAll(".math-tex");
 
         for (const mathEl of mathElements ?? []) {
             try {