diff --git a/frappe/core/doctype/comment/comment.json b/frappe/core/doctype/comment/comment.json
index 344d6399b9..82c18a6520 100644
--- a/frappe/core/doctype/comment/comment.json
+++ b/frappe/core/doctype/comment/comment.json
@@ -87,7 +87,7 @@
    "collapsible": 0,
    "columns": 0,
    "fieldname": "subject",
-   "fieldtype": "Data",
+   "fieldtype": "Text",
    "hidden": 0,
    "ignore_user_permissions": 0,
    "ignore_xss_filter": 0,
@@ -476,7 +476,7 @@
  "issingle": 0,
  "istable": 0,
  "max_attachments": 0,
- "modified": "2019-02-08 09:18:33.843171",
+ "modified": "2019-03-07 18:39:37.598451",
  "modified_by": "Administrator",
  "module": "Core",
  "name": "Comment",
diff --git a/frappe/patches/v12_0/setup_comments_from_communications.py b/frappe/patches/v12_0/setup_comments_from_communications.py
index 92256e130e..1a7a5aef84 100644
--- a/frappe/patches/v12_0/setup_comments_from_communications.py
+++ b/frappe/patches/v12_0/setup_comments_from_communications.py
@@ -3,6 +3,8 @@ from __future__ import unicode_literals
 import frappe
 
 def execute():
+    frappe.reload_doctype("Comment")
+
     for comment in frappe.get_all('Communication', fields = ['*'],
         filters = dict(communication_type = 'Comment')):