diff --git a/patches/may_2013/p07_move_update_stock_to_pos.py b/patches/may_2013/p07_move_update_stock_to_pos.py
index f76cda3212d..7928728f4a7 100644
--- a/patches/may_2013/p07_move_update_stock_to_pos.py
+++ b/patches/may_2013/p07_move_update_stock_to_pos.py
@@ -15,4 +15,9 @@ def execute():
 
 	webnotes.defaults.clear_cache("Control Panel")
 
-	webnotes.reload_doc("setup", "doctype", "global_defaults")
\ No newline at end of file
+	webnotes.reload_doc("setup", "doctype", "global_defaults")
+	
+	# previously, update_stock was valid only when is_pos was checked
+	# henceforth it is valid, and hence the patch
+	webnotes.conn.sql("""update `tabSales Invoice` set update_stock=0 
+		where ifnull(is_pos, 0)=0""")
\ No newline at end of file