diff --git a/rma_purchase/__manifest__.py b/rma_purchase/__manifest__.py
index f6e788bf..c2deb874 100644
--- a/rma_purchase/__manifest__.py
+++ b/rma_purchase/__manifest__.py
@@ -10,9 +10,12 @@
     'author': 'Eficent, Odoo Community Association (OCA)',
     'website': 'http://www.github.com/OCA/rma',
     'depends': ['rma_account', 'purchase'],
-    'data': ['views/rma_order_view.xml',
-             'views/rma_order_line_view.xml',
-             'wizards/rma_add_purchase.xml'],
+    'data': [
+        'security/ir.model.access.csv',
+        'views/rma_order_view.xml',
+        'views/rma_order_line_view.xml',
+        'wizards/rma_add_purchase.xml'
+    ],
     'installable': True,
     'auto_install': True,
 }
diff --git a/rma_purchase/security/ir.model.access.csv b/rma_purchase/security/ir.model.access.csv
new file mode 100755
index 00000000..e37a8852
--- /dev/null
+++ b/rma_purchase/security/ir.model.access.csv
@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_purchase_order_supplier_user,access_purchase_order,purchase.model_purchase_order,rma.group_rma_supplier_user,1,0,0,0
+access_purchase_order_line_supplier_user,access_purchase_order_line,purchase.model_purchase_order_line,rma.group_rma_supplier_user,1,0,0,0