diff --git a/erpnext/patches/v13_0/healthcare_lab_module_rename_doctypes.py b/erpnext/patches/v13_0/healthcare_lab_module_rename_doctypes.py
index 028c619..9af0a8d 100644
--- a/erpnext/patches/v13_0/healthcare_lab_module_rename_doctypes.py
+++ b/erpnext/patches/v13_0/healthcare_lab_module_rename_doctypes.py
@@ -47,8 +47,8 @@
 
 		for new, old in rename_fields.items():
 			if frappe.db.has_column('Normal Test Result', old):
-				frappe.db.sql("""UPDATE `tabNormal Test Result` SET %(new)s = %(old)s""", {
-					'new': new, 'old': old})
+				frappe.db.sql("""UPDATE `tabNormal Test Result` SET {} = {}"""
+					.format(new, old))
 
 		if frappe.db.has_column('Normal Test Template', 'test_event'):
 			frappe.db.sql("""UPDATE `tabNormal Test Template` SET lab_test_event = test_event""")
@@ -67,8 +67,8 @@
 
 		for new, old in rename_fields.items():
 			if frappe.db.has_column('Lab Test Group Template', old):
-				frappe.db.sql("""UPDATE `tabLab Test Group Template` SET %(new)s = %(old)s""", {
-					'new': new, 'old': old})
+				frappe.db.sql("""UPDATE `tabLab Test Group Template` SET {} = {}"""
+					.format(new, old))
 
 		# rename field
 		frappe.reload_doc('healthcare', 'doctype', 'lab_test')