diff --git a/website/common/tests.py b/website/common/tests.py
index 296b180..dd31568 100644
--- a/website/common/tests.py
+++ b/website/common/tests.py
@@ -74,8 +74,10 @@ class TableOfContentsTestCase(SimpleTestCase):
         toc = get_table_of_contents(
             """
         <h2>2</h2>
+        <p>2 content</p>
         <h3>2.1</h3>
         <h3>2.2</h3>
+        <p>2.2 content</p>
         <h5>2.2.1</h5>
         <h3>2.3</h3>
         """
diff --git a/website/common/utils.py b/website/common/utils.py
index abfcde8..54fbcd1 100644
--- a/website/common/utils.py
+++ b/website/common/utils.py
@@ -2,7 +2,7 @@ from dataclasses import dataclass
 from itertools import islice, pairwise
 from typing import Type
 
-from bs4 import BeautifulSoup
+from bs4 import BeautifulSoup, SoupStrainer
 from django.conf import settings
 from django.http.request import HttpRequest
 from django.utils.text import slugify, smart_split
@@ -22,12 +22,10 @@ class TocEntry:
 
 
 def get_table_of_contents(html: str) -> list[TocEntry]:
-    soup = BeautifulSoup(html, "lxml")
-
-    headings = soup.find_all(HEADER_TAGS)
+    soup = BeautifulSoup(html, "lxml", parse_only=SoupStrainer(HEADER_TAGS))
 
     heading_levels = [
-        TocEntry(tag.text, slugify(tag.text), int(tag.name[1]), []) for tag in headings
+        TocEntry(tag.text, slugify(tag.text), int(tag.name[1]), []) for tag in soup
     ]
 
     # Abort if there are no headings