diff --git a/app/models/concerns/generate_notification_model.rb b/app/models/concerns/generate_notification_model.rb
index 643526c54..4a9726ea6 100644
--- a/app/models/concerns/generate_notification_model.rb
+++ b/app/models/concerns/generate_notification_model.rb
@@ -35,7 +35,7 @@ module GenerateNotificationModel
     when Project
       users = subject.users
     when Experiment
-      users = subject.project.users
+      users = subject.users
     when MyModule
       users = subject.users
       # Also send to the user that was unassigned,
diff --git a/app/models/my_module.rb b/app/models/my_module.rb
index d7190fbea..b52172bba 100644
--- a/app/models/my_module.rb
+++ b/app/models/my_module.rb
@@ -56,7 +56,7 @@ class MyModule < ApplicationRecord
   has_many :repository_rows, through: :my_module_repository_rows
   has_many :repository_snapshots, dependent: :destroy, inverse_of: :my_module
   has_many :user_my_modules, inverse_of: :my_module, dependent: :destroy
-  has_many :users, through: :user_my_modules
+  has_many :users, through: :user_assignments
   has_many :report_elements, inverse_of: :my_module, dependent: :destroy
   has_many :protocols, inverse_of: :my_module, dependent: :destroy
   # Associations for old activity type