diff --git a/erpnext/patches/may_2012/renamedt_in_custom_search_criteria.py b/erpnext/patches/may_2012/renamedt_in_custom_search_criteria.py
new file mode 100644
index 0000000..3ac1f8e
--- /dev/null
+++ b/erpnext/patches/may_2012/renamedt_in_custom_search_criteria.py
@@ -0,0 +1,99 @@
+def execute():
+	import webnotes
+	rendt = {
+		'Receivable Voucher'		:	'Sales Invoice',
+		'RV Detail'					:	'Sales Invoice Item',
+		'RV Tax Detail'				:	'Sales Taxes and Charges',
+		'Payable Voucher'			:	'Purchase Invoice',
+		'PV Detail'					:	'Purchase Invoice Item',
+		'Purchase Tax Detail'		:	'Purchase Taxes and Charges',
+		'Indent'					:	'Purchase Request',
+		'Indent Detail'				:	'Purchase Request Item',
+		'QA Inspection Report'		:	'Quality Inspection',
+		'Ticket'					:	'Task',
+		'Manage Account'			:	'Global Defaults',
+		'ToDo Item'					:	'ToDo',
+		'Term'						:	'Terms and Conditions',
+		'Static Parameter Detail'	:	'SMS Parameter',
+		'SS Earning Detail'			:	'Salary Slip Earning',
+		'SS Deduction Detail'		:	'Salary Slip Deduction',
+		'Sales Order Detail'		:	'Sales Order Item',
+		'Sales BOM Detail'			:	'Sales BOM Item',
+		'Return Detail'				:	'Sales and Purchase Return Item',
+		'Ref Rate Detail'			:	'Item Price',
+		'Receiver Detail'			:	'SMS Receiver',
+		'Quotation Detail'			:	'Quotation Item',
+		'QA Specification Detail'	:	'Quality Inspection Reading',
+		'Purchase Receipt Detail'	:	'Purchase Receipt Item',
+		'Purchase Other Charges'	:	'Purchase Taxes and Charges Master',
+		'PR Raw Material Detail'	:	'Purchase Receipt Item Supplied',
+		'PP SO Detail'				:	'Production Plan Sales Order',
+		'PP Detail'					:	'Production Plan Item',
+		'PO Raw Material Detail'	:	'Purchase Order Item Supplied',
+		'PO Detail'					:	'Purchase Order Item', 
+		'Packing Slip Detail'		:	'Packing Slip Item',
+		'Other Charges'				:	'Sales Taxes and Charges Master',
+		'Order Lost Reason'			:	'Quotation Lost Reason',
+		'Manage Account'			:	'Global Defaults',
+		'Maintenance Visit Detail'	:	'Maintenance Visit Purpose',
+		'Ledger Balance Export'		:	'Multi Ledger Report',
+		'LC PR Detail'				:	'Landed Cost Purchase Receipt',
+		'Landed Cost Detail'		:	'Landed Cost Item',
+		'KRA Template'				:	'Appraisal Template',
+		'KRA Sheet'					:	'Appraisal Template Goal',
+		'Item Specification Detail' :	'Item Quality Inspection Parameter',
+		'Item Maintenance Detail'	:	'Maintenance Schedule Item',
+		'IR Payment Detail'			:	'Payment to Invoice Matching Tool Detail',
+		'Internal Reconciliation'	:	'Payment to Invoice Matching Tool',
+		'Installed Item Details'	:	'Installation Note Item',
+		'Holiday List Detail'		:	'Holiday',
+		'Follow up'					:	'Communication Log',
+		'Flat BOM Detail'			:	'BOM Explosion Item',
+		'Expense Voucher Detail'	:	'Expense Claim Detail',
+		'Expense Voucher'			:	'Expense Claim',
+		'Expense Type'				:	'Expense Claim Type',
+		'Enquiry Detail'			:	'Opportunity Item',
+		'Enquiry'					:	'Opportunity',
+		'Earning Detail'			:	'Salary Structure Earning',
+		'DocLayerField'				:	'Customize Form Field',
+		'DocLayer'					:	'Customize Form',
+		'Delivery Note Detail'		:	'Delivery Note Item',
+		'Deduction Detail'			:	'Salary Structure Deduction',
+		'Comment Widget Record'		:	'Comment',
+		'BOM Material'				:	'BOM Item',
+		'Bill Of Materials'			:	'BOM',
+		'Appraisal Detail'			:	'Appraisal Goal',
+		'Advance Allocation Detail' :	'Purchase Invoice Advance',
+		'Advance Adjustment Detail' :	'Sales Invoice Advance',
+		'Ledger Detail'				:	'Multi Ledger Report Detail',
+		'TA Control'				:	'Trend Analyzer Control',
+		'Sales and Purchase Return Wizard'	: 'Sales and Purchase Return Tool',
+		'Educational Qualifications Detail' : 'Employee Education',
+		'Delivery Note Packing Detail'		: 'Delivery Note Packing Item',
+		'Experience In Company Detail'		: 'Employee Internal Work History',
+		'Professional Training Details'		: 'Employee Training',
+		'Previous Experience Detail'		: 'Employee External Work History',
+	}
+
+	for d in rendt:
+		webnotes.conn.sql("""
+			update
+				`tabSearch Criteria` 
+			set 
+				doc_type		= replace(doc_type, %s, %s), 
+				filters			= replace(filters, %s, %s), 
+				columns			= replace(columns, %s, %s), 
+				parent_doc_type = replace(parent_doc_type, %s, %s), 
+				add_cond		= replace(add_cond, %s, %s), 
+				add_col			= replace(add_col, %s, %s), 
+				add_tab			= replace(add_tab, %s, %s), 
+				dis_filters		= replace(dis_filters, %s, %s), 
+				group_by		= replace(group_by, %s, %s), 
+				sort_by			= replace(sort_by, %s, %s), 
+				report_script	= replace(report_script, %s, %s), 
+				server_script	= replace(server_script, %s, %s), 
+				custom_query	= replace(custom_query, %s, %s)
+		""", (d, rendt[d], d, rendt[d], d, rendt[d], d, rendt[d], d, rendt[d], d, rendt[d], d, rendt[d], 
+				d, rendt[d], d, rendt[d], d, rendt[d], d, rendt[d], d, rendt[d], d, rendt[d]))
+
+
diff --git a/erpnext/patches/patch_list.py b/erpnext/patches/patch_list.py
index d6d689f..01f4a0e 100644
--- a/erpnext/patches/patch_list.py
+++ b/erpnext/patches/patch_list.py
@@ -327,5 +327,10 @@
 		'patch_file': 'cleanup_notification_control',
 		'description': 'cleanup notification control'
 	},
+	{
+		'patch_module': 'patches.may_2012',
+		'patch_file': 'renamedt_in_custom_search_criteria',
+		'description': 'raname dt in custom search criteria'
+	},
 
 ]