diff --git a/erpnext/patches/may_2012/std_pf_readonly.py b/erpnext/patches/may_2012/std_pf_readonly.py
new file mode 100644
index 0000000..abee9e2
--- /dev/null
+++ b/erpnext/patches/may_2012/std_pf_readonly.py
@@ -0,0 +1,24 @@
+def execute():
+	"""Make standard print formats readonly for system manager"""
+	import webnotes.model.doc
+	new_perms = [
+		{
+			'parent': 'Print Format',
+			'parentfield': 'permissions',
+			'parenttype': 'DocType',
+			'role': 'System Manager',			
+			'permlevel': 1,
+			'read': 1,
+		},
+		{
+			'parent': 'Print Format',
+			'parentfield': 'permissions',
+			'parenttype': 'DocType',
+			'role': 'Administrator',			
+			'permlevel': 1,
+			'read': 1,
+			'write': 1
+		},
+	]
+	import webnotes.model.sync
+	webnotes.model.sync.sync('core', 'print_format')
\ No newline at end of file
diff --git a/erpnext/patches/patch_list.py b/erpnext/patches/patch_list.py
index 5a82d42..e3eca5a 100644
--- a/erpnext/patches/patch_list.py
+++ b/erpnext/patches/patch_list.py
@@ -352,5 +352,10 @@
 		'patch_file': 'reload_sales_invoice_pf',
 		'description': 'Reload sales invoice print formats'
 	},
+	{
+		'patch_module': 'patches.may_2012',
+		'patch_file': 'std_pf_readonly',
+		'description': 'Make standard print formats readonly for system manager'
+	},
 
 ]