diff --git a/frappe/model/delete_doc.py b/frappe/model/delete_doc.py
index 5e409db545..e5490dbd88 100644
--- a/frappe/model/delete_doc.py
+++ b/frappe/model/delete_doc.py
@@ -266,7 +266,7 @@ def raise_link_exists_exception(doc, reference_doctype, reference_docname, row='
 		.format(doc.doctype, doc_link, reference_doctype, reference_link, row), frappe.LinkExistsError)
 
 def delete_dynamic_links(doctype, name):
-	delete_references('ToDo', doctype, name)
+	delete_references('ToDo', doctype, name, 'reference_type')
 	delete_references('Email Unsubscribe', doctype, name)
 	delete_references('DocShare', doctype, name, 'share_doctype', 'share_name')
 	delete_references('Version', doctype, name, 'ref_doctype', 'docname')
diff --git a/frappe/patches/v12_0/setup_comments_from_communications.py b/frappe/patches/v12_0/setup_comments_from_communications.py
index 5624744841..475174d191 100644
--- a/frappe/patches/v12_0/setup_comments_from_communications.py
+++ b/frappe/patches/v12_0/setup_comments_from_communications.py
@@ -4,7 +4,7 @@ import frappe
 
 def execute():
     for comment in frappe.get_all('Communication', fields = ['*'],
-        filters = dict(communication_type = 'Comment'))
+        filters = dict(communication_type = 'Comment')):
 
         new_comment = frappe.new_doc('Comment')
         new_comment.comment_type = comment.comment_type