diff --git a/erpnext/patches/july_2012/supplier_quotation.py b/erpnext/patches/july_2012/supplier_quotation.py
new file mode 100644
index 0000000..023ead2
--- /dev/null
+++ b/erpnext/patches/july_2012/supplier_quotation.py
@@ -0,0 +1,14 @@
+def execute():
+	"""sync supplier quotatoin and create supplier quotation mappers"""
+	from webnotes.model.sync import sync
+	sync('buying', 'supplier_quotation')
+	sync('buying', 'supplier_quotation_item')
+	sync('buying', 'purchase_request')
+	sync('buying', 'purchase_request_item')
+	sync('buying', 'purchase_order')
+	sync('buying', 'purchase_order_item')
+	
+	from webnotes.modules import reload_doc
+	reload_doc('buying', 'DocType Mapper', 'Purchase Request-Supplier Quotation')
+	reload_doc('buying', 'DocType Mapper', 'Supplier Quotation-Purchase Order')
+	
\ No newline at end of file
diff --git a/erpnext/patches/patch_list.py b/erpnext/patches/patch_list.py
index eace14c..f512bfc 100644
--- a/erpnext/patches/patch_list.py
+++ b/erpnext/patches/patch_list.py
@@ -513,4 +513,8 @@
 		'patch_module': 'patches.july_2012',
 		'patch_file': 'repost_stock_due_to_wrong_packing_list',
 	},
+	{
+		'patch_module': 'patches.july_2012',
+		'patch_file': 'supplier_quotation',
+	},
 ]
\ No newline at end of file