diff --git a/apps/docs/components/GuidesTableOfContents.tsx b/apps/docs/components/GuidesTableOfContents.tsx
index 40d368a0f5b..31756b9ff9d 100644
--- a/apps/docs/components/GuidesTableOfContents.tsx
+++ b/apps/docs/components/GuidesTableOfContents.tsx
@@ -99,7 +99,7 @@ const GuidesTableOfContents = ({
 
           return { text, link, level } as Partial<TOCHeader>
         })
-        .filter((x): x is TOCHeader => !!x.text && !!x.link && !!x.level)
+        .filter((x): x is TOCHeader => !!x && !!x.text && !!x.link && !!x.level)
       setTocList(newHeadings)
     })