diff --git a/frappe/core/doctype/comment/comment.py b/frappe/core/doctype/comment/comment.py
index 49b339731e..36d4a39c1a 100644
--- a/frappe/core/doctype/comment/comment.py
+++ b/frappe/core/doctype/comment/comment.py
@@ -27,6 +27,7 @@ class Comment(Document):
 
 	def on_update(self):
 		update_comment_in_doc(self)
+		self.notify_change('update')
 
 	def on_trash(self):
 		self.remove_comment_from_cache()
diff --git a/frappe/public/js/frappe/form/form.js b/frappe/public/js/frappe/form/form.js
index a4fa848215..0f27445e2a 100644
--- a/frappe/public/js/frappe/form/form.js
+++ b/frappe/public/js/frappe/form/form.js
@@ -1667,7 +1667,7 @@ frappe.ui.form.Form = class FrappeForm {
 			}
 			// no need to update timeline of owner of comment
 			// gets handled via comment submit code
-			if (!(doc.doctype === 'Comment' && doc.owner === frappe.session.user)) {
+			if (!(action === 'add' && doc.doctype === 'Comment' && doc.owner === frappe.session.user)) {
 				this.timeline && this.timeline.refresh();
 			}
 		});