diff --git a/django_comments/views/comments.py b/django_comments/views/comments.py
index c03c3c3..40a96c7 100644
--- a/django_comments/views/comments.py
+++ b/django_comments/views/comments.py
@@ -15,6 +15,9 @@
 from django_comments import signals
 from django_comments.views.utils import next_redirect, confirmation_view
 
+UNVALID_FORM_HTTP_CODE = getattr(settings, 'COMMENT_UNVALID_FORM_HTTP_CODE',
+                                 200)
+
 
 class CommentPostBadRequest(http.HttpResponseBadRequest):
     """
@@ -97,7 +100,7 @@ def post_comment(request, next=None, using=None):
                 "comment": form.data.get("comment", ""),
                 "form": form,
                 "next": data.get("next", next),
-            },
+            }, status=UNVALID_FORM_HTTP_CODE
         )
 
     # Otherwise create the comment
diff --git a/docs/settings.txt b/docs/settings.txt
index 4465852..51d2456 100644
--- a/docs/settings.txt
+++ b/docs/settings.txt
@@ -35,7 +35,13 @@ must also be listed in :setting:`INSTALLED_APPS`.
 .. setting:: COMMENTS_TIMEOUT
 
 COMMENT_TIMEOUT
-------------------
+---------------
 
 The maximum comment form timeout in seconds. The default value is
 ``2 * 60 * 60`` (2 hours).
+
+COMMENT_UNVALID_FORM_HTTP_CODE
+------------------------------
+
+The HTTP response code sent when unvalid form is submitted. The default value
+is ``200`` (OK).