diff --git a/patches/patch.py b/patches/patch.py
index 66e08e9aa4..de77b2d374 100644
--- a/patches/patch.py
+++ b/patches/patch.py
@@ -1146,4 +1146,4 @@ def execute(patch_no):
 		reload_doc('accounts', 'search_criteria', 'itemwise_sales_register')
 		reload_doc('accounts', 'search_criteria', 'itemwise_purchase_register')
 	elif patch_no == 287:
-		sql("update `tabDocField` set no_copy = 1 where firlname in ('per_received', 'per_billed', 'per_delivered') and parent in ('Purchase Order', 'Purchase Receipt', 'Sales Order', 'Delivery Note')")
+		sql("update `tabDocField` set no_copy = 1 where fieldname in ('per_received', 'per_billed', 'per_delivered') and parent in ('Purchase Order', 'Purchase Receipt', 'Sales Order', 'Delivery Note')")