diff --git a/frappe/templates/includes/comments/comments.py b/frappe/templates/includes/comments/comments.py
index 773f50e327..77082c6e3b 100644
--- a/frappe/templates/includes/comments/comments.py
+++ b/frappe/templates/includes/comments/comments.py
@@ -13,7 +13,7 @@ from frappe import _
 def add_comment(comment, comment_email, comment_by, reference_doctype, reference_name, route):
 	doc = frappe.get_doc(reference_doctype, reference_name)
 
-	if not doc.doctype in ['Blog Post', 'Web Page']:
+	if doc.doctype not in ['Blog Post', 'Web Page']:
 		return
 
 	if not comment.strip():