diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 2a836351177..b891719b02d 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -293,3 +293,4 @@ erpnext.patches.v13_0.update_job_card_details
 erpnext.patches.v13_0.update_level_in_bom #1234sswef
 erpnext.patches.v13_0.add_missing_fg_item_for_stock_entry
 erpnext.patches.v13_0.update_subscription_status_in_memberships
+erpnext.patches.v13_0.update_export_type_for_gst
diff --git a/erpnext/patches/v13_0/update_export_type_for_gst.py b/erpnext/patches/v13_0/update_export_type_for_gst.py
new file mode 100644
index 00000000000..478a2a6c806
--- /dev/null
+++ b/erpnext/patches/v13_0/update_export_type_for_gst.py
@@ -0,0 +1,24 @@
+import frappe
+
+def execute():
+	company = frappe.get_all('Company', filters = {'country': 'India'})
+	if not company:
+		return
+
+	# Update custom fields
+	fieldname = frappe.db.get_value('Custom Field', {'dt': 'Customer', 'fieldname': 'export_type'})
+	if fieldname:
+		frappe.db.set_value('Custom Field', fieldname, 'default', '')
+
+	fieldname = frappe.db.get_value('Custom Field', {'dt': 'Supplier', 'fieldname': 'export_type'})
+	if fieldname:
+		frappe.db.set_value('Custom Field', fieldname, 'default', '')
+
+	# Update Customer/Supplier Masters
+	frappe.db.sql("""
+		UPDATE `tabCustomer` set export_type = '' WHERE gst_category NOT IN ('SEZ', 'Overseas', 'Deemed Export')
+	""")
+
+	frappe.db.sql("""
+		UPDATE `tabSupplier` set export_type = '' WHERE gst_category NOT IN ('SEZ', 'Overseas')
+	""")
\ No newline at end of file
diff --git a/erpnext/regional/india/setup.py b/erpnext/regional/india/setup.py
index 92654608da5..e9372f9b8fc 100644
--- a/erpnext/regional/india/setup.py
+++ b/erpnext/regional/india/setup.py
@@ -641,7 +641,6 @@ def make_custom_fields(update=True):
 				'label': 'Export Type',
 				'fieldtype': 'Select',
 				'insert_after': 'gst_category',
-				'default': 'Without Payment of Tax',
 				'depends_on':'eval:in_list(["SEZ", "Overseas"], doc.gst_category)',
 				'options': '\nWith Payment of Tax\nWithout Payment of Tax'
 			}
@@ -660,7 +659,6 @@ def make_custom_fields(update=True):
 				'label': 'Export Type',
 				'fieldtype': 'Select',
 				'insert_after': 'gst_category',
-				'default': 'Without Payment of Tax',
 				'depends_on':'eval:in_list(["SEZ", "Overseas", "Deemed Export"], doc.gst_category)',
 				'options': '\nWith Payment of Tax\nWithout Payment of Tax'
 			}