diff --git a/src/app/schema/renderHtml.tsx b/src/app/schema/renderHtml.tsx
index a3d4b916..5d8809d0 100644
--- a/src/app/schema/renderHtml.tsx
+++ b/src/app/schema/renderHtml.tsx
@@ -302,7 +302,7 @@ function useToggles() {
 	}
 	
 	const isToggled = (key: string) => {
-		return toggleState.get(key) ?? toggleAll
+		return toggleState?.get(key) ?? toggleAll
 	}
 
 	return { expand, collapse, isToggled }