diff --git a/erpnext/patches/v7_0/remove_doctypes_and_reports.py b/erpnext/patches/v7_0/remove_doctypes_and_reports.py
index 3c45be4..03461de 100644
--- a/erpnext/patches/v7_0/remove_doctypes_and_reports.py
+++ b/erpnext/patches/v7_0/remove_doctypes_and_reports.py
@@ -13,7 +13,8 @@
 			'doctype': 'Custom Field',
 			'label': data.label,
 			'dt': 'Timesheet Detail',
-			'fieldname': data.fieldname
+			'fieldname': data.fieldname,
+			'fieldtype': data.fieldtype or "Data"
 		}).insert(ignore_permissions=True)
 
 	frappe.db.sql("""delete from `tabCustom Field` where dt = 'Time Log'""")
@@ -22,4 +23,4 @@
 
 	report = "Daily Time Log Summary"
 	if frappe.db.exists("Report", report):
-		frappe.delete_doc('Report', report)
\ No newline at end of file
+		frappe.delete_doc('Report', report)