diff --git a/material/partials/toc-item.html b/material/partials/toc-item.html
index 3f0ffe463..c83972729 100644
--- a/material/partials/toc-item.html
+++ b/material/partials/toc-item.html
@@ -6,7 +6,7 @@
     {{ toc_item.title }}
   </a>
   {% if toc_item.children %}
-    <nav class="md-nav" aria-label="{{ toc_item.title }}">
+    <nav class="md-nav" aria-label="{{ toc_item.title | striptags }}">
       <ul class="md-nav__list">
         {% for toc_item in toc_item.children %}
           {% include "partials/toc-item.html" %}
diff --git a/src/partials/toc-item.html b/src/partials/toc-item.html
index 8dcf5635f..1af82c564 100644
--- a/src/partials/toc-item.html
+++ b/src/partials/toc-item.html
@@ -28,7 +28,7 @@
 
   <!-- Table of contents list -->
   {% if toc_item.children %}
-    <nav class="md-nav" aria-label="{{ toc_item.title }}">
+    <nav class="md-nav" aria-label="{{ toc_item.title | striptags }}">
       <ul class="md-nav__list">
         {% for toc_item in toc_item.children %}
           {% include "partials/toc-item.html" %}