diff --git a/app/models/notification.rb b/app/models/notification.rb
index 2b8fd37eb00..2b564db806f 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -108,6 +108,7 @@ class Notification < ActiveRecord::Base
                         event_invitation: 28,
                         chat_mention: 29,
                         chat_message: 30,
+                        chat_invitation: 31
                        )
   end
 
diff --git a/spec/requests/api/schemas/json/site_response.json b/spec/requests/api/schemas/json/site_response.json
index ce4bb9c6f1c..f9d09bc9fd7 100644
--- a/spec/requests/api/schemas/json/site_response.json
+++ b/spec/requests/api/schemas/json/site_response.json
@@ -97,6 +97,9 @@
         },
         "chat_message": {
           "type": "integer"
+        },
+        "chat_invitation": {
+          "type": "integer"
         }
       },
       "required": [