diff --git a/erpnext/patches/auto_indent.py b/erpnext/patches/auto_indent.py
index 448c247..49c66cd 100644
--- a/erpnext/patches/auto_indent.py
+++ b/erpnext/patches/auto_indent.py
@@ -3,6 +3,6 @@
 	from webnotes.modules.module_manager import reload_doc
 	reload_doc('setup', 'doctype', 'manage_account')
 	reload_doc('stock', 'doctype', 'item')
-	webnotes.conn.sql("delete from `tabDocField` where fieldname=`minimum_inventory_level` and parent='item'")
+	webnotes.conn.sql("delete from `tabDocField` where fieldname='minimum_inventory_level' and parent='item'")
 	webnotes.conn.sql("update `tabItem` set re_order_level = minimum_inventory_level wehre ifnull(re_order_level,0) = 0 ")