diff --git a/website/templates/sitemap.html b/website/templates/sitemap.html
index ae8283602..306e6c22e 100644
--- a/website/templates/sitemap.html
+++ b/website/templates/sitemap.html
@@ -212,7 +212,7 @@ <h2 class="text-6xl text-black font-bold">Sitemap</h2>
                             </li>
                             <li class="flex items-center space-x-3 text-black hover:text-red-600 hover:translate-x-1 transition duration-200 cursor-pointer">
                                 <i class="fas fa-sync-alt w-5 h-5 mr-1 align-middle"></i>
-                                <a href="{% url 'update_comment' 1 1 %}">Update Comment // 1</a>
+                                <a href="{% url 'update_content_comment' 1 1 %}">Update Comment // 1</a>
                             </li>
                             <li class="flex items-center space-x-3 text-black hover:text-red-600 hover:translate-x-1 transition duration-200 cursor-pointer">
                                 <i class="fas fa-trash-alt w-5 h-5 mr-1 align-middle"></i>
diff --git a/website/views/issue.py b/website/views/issue.py
index a7298033c..41279fc58 100644
--- a/website/views/issue.py
+++ b/website/views/issue.py
@@ -1501,6 +1501,7 @@ def comment_on_content(request, content_pk):
     content_type = request.POST.get("content_type")
     content_type_obj = ContentType.objects.get(model=content_type)
     content = content_type_obj.get_object_for_this_type(pk=content_pk)
+    VALID_CONTENT_TYPES = ["issue", "post"]
 
     if request.method == "POST" and isinstance(request.user, User):
         comment = escape(request.POST.get("comment", ""))
@@ -1515,6 +1516,10 @@ def comment_on_content(request, content_pk):
 
             parent_comment = Comment.objects.filter(pk=replying_to_comment_id).first()
 
+            if content_type not in VALID_CONTENT_TYPES:
+                messages.error(request, "Invalid content type.")
+                return redirect("home")
+
             if parent_comment is None:
                 messages.error(request, "Parent comment doesn't exist.")
                 return redirect(f"/{content_type}/{content_pk}")