diff --git a/django/contrib/comments/templates/comments/approve.html b/django/contrib/comments/templates/comments/approve.html
index e6b114114e8e6..a4306a6fc2137 100644
--- a/django/contrib/comments/templates/comments/approve.html
+++ b/django/contrib/comments/templates/comments/approve.html
@@ -7,7 +7,7 @@
   <h1>{% trans "Really make this comment public?" %}</h1>
   <blockquote>{{ comment|linebreaks }}</blockquote>
   <form action="." method="post">
-    <input type="hidden" name="next" value="{{ next }}" id="next" />
+    {% if next %}<input type="hidden" name="next" value="{{ next }}" id="next" />{% endif %}
     <p class="submit">
       <input type="submit" name="submit" value="{% trans "Approve" %}" /> or <a href="{{ comment.get_absolute_url }}">cancel</a>
     </p>
diff --git a/django/contrib/comments/templates/comments/delete.html b/django/contrib/comments/templates/comments/delete.html
index 33688993aa8bc..7d73eac979316 100644
--- a/django/contrib/comments/templates/comments/delete.html
+++ b/django/contrib/comments/templates/comments/delete.html
@@ -7,7 +7,7 @@
 <h1>{% trans "Really remove this comment?" %}</h1>
   <blockquote>{{ comment|linebreaks }}</blockquote>
   <form action="." method="post">
-    <input type="hidden" name="next" value="{{ next }}" id="next" />
+    {% if next %}<input type="hidden" name="next" value="{{ next }}" id="next" />{% endif %}
     <p class="submit">
     <input type="submit" name="submit" value="{% trans "Remove" %}" /> or <a href="{{ comment.get_absolute_url }}">cancel</a>
     </p>
diff --git a/django/contrib/comments/templates/comments/flag.html b/django/contrib/comments/templates/comments/flag.html
index 7f0e384c86100..08dbe0b0b0385 100644
--- a/django/contrib/comments/templates/comments/flag.html
+++ b/django/contrib/comments/templates/comments/flag.html
@@ -7,7 +7,7 @@
 <h1>{% trans "Really flag this comment?" %}</h1>
   <blockquote>{{ comment|linebreaks }}</blockquote>
   <form action="." method="post">
-    <input type="hidden" name="next" value="{{ next }}" id="next" />
+    {% if next %}<input type="hidden" name="next" value="{{ next }}" id="next" />{% endif %}
     <p class="submit">
     <input type="submit" name="submit" value="{% trans "Flag" %}" /> or <a href="{{ comment.get_absolute_url }}">cancel</a>
     </p>