diff --git a/config/index.js b/config/index.js
index 9f058323..c0c85e98 100644
--- a/config/index.js
+++ b/config/index.js
@@ -11,8 +11,8 @@ const config = {
             database: process.env.DB_DATABASE || 'discounts'
         },
         core: {
-            url: 'http://oms-core-elixir',
-            port: 4000
+            url: 'http://oms-core-js',
+            port: 8084
         },
         mailer: {
             url: 'http://oms-mailer',
diff --git a/lib/integrations.js b/lib/integrations.js
index bdfafea6..c6280715 100644
--- a/lib/integrations.js
+++ b/lib/integrations.js
@@ -140,8 +140,7 @@ exports.claimCode = async (req, res) => {
     await codeToClaim.update({ claimed_by: req.user.id });
 
     await mailer.sendMail({
-        from: 'oms-mailer@aegee.org',
-        to: req.user.user.email,
+        to: req.user.email,
         subject: `Your ${req.integration.name} discount code`,
         template: 'custom.html',
         parameters: {
diff --git a/test/assets/oms-core-permissions-full.json b/test/assets/oms-core-permissions-full.json
index 83b46aad..45febf58 100644
--- a/test/assets/oms-core-permissions-full.json
+++ b/test/assets/oms-core-permissions-full.json
@@ -8,7 +8,6 @@
       "description": "Manage discounts",
       "combined": "global:manage:discounts",
       "circles": null,
-      "always_assigned": false,
       "action": "manage"
     }]
 }
diff --git a/test/assets/oms-core-valid.json b/test/assets/oms-core-valid.json
index 451760d4..6a2ce067 100644
--- a/test/assets/oms-core-valid.json
+++ b/test/assets/oms-core-valid.json
@@ -1,17 +1,13 @@
 {
     "success": true,
     "data": {
-        "user_id": 1,
-        "user": {
-            "superadmin": true,
-            "name": "admin",
-            "member_id": null,
-            "inserted_at": "2018-05-03T23:12:01.111566",
-            "id": 1,
-            "email": "admin@aegee.org",
-            "active": true
-        },
-        "seo_url": "microservice",
+        "superadmin": true,
+        "username": "admin",
+        "member_id": null,
+        "inserted_at": "2018-05-03T23:12:01.111566",
+        "id": 1,
+        "email": "admin@aegee.org",
+        "active": true,
         "primary_body_id": null,
         "primary_body": null,
         "phone": "+123456789",
@@ -62,7 +58,6 @@
                 "approved": true
             }
         ],
-        "id": 1,
         "gender": "machine",
         "first_name": "Microservice",
         "date_of_birth": "2010-04-17",