diff --git a/rma_product_cores/__manifest__.py b/rma_product_cores/__manifest__.py
index d039c8d0..b34aa956 100755
--- a/rma_product_cores/__manifest__.py
+++ b/rma_product_cores/__manifest__.py
@@ -17,6 +17,7 @@ RMA Product Cores - Return core products from customers.
         'rma_sale',
     ],
     'data': [
+        'security/ir.model.access.csv',
         'views/portal_templates.xml',
         'views/rma_views.xml',
         'wizard/rma_lines_views.xml',
diff --git a/rma_product_cores/security/ir.model.access.csv b/rma_product_cores/security/ir.model.access.csv
new file mode 100644
index 00000000..9f161d1f
--- /dev/null
+++ b/rma_product_cores/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_rma_product_cores_make_lines","access rma.product_cores.make.lines","rma_product_cores.model_rma_product_cores_make_lines","stock.group_stock_user",1,1,1,1
+"access_rma_product_cores_make_lines_line","access rma.product_cores.make.lines.line","rma_product_cores.model_rma_product_cores_make_lines_line","stock.group_stock_user",1,1,1,1