diff --git a/app/datatables/report_datatable.rb b/app/datatables/report_datatable.rb
index d5e36c121..c4ef21891 100644
--- a/app/datatables/report_datatable.rb
+++ b/app/datatables/report_datatable.rb
@@ -41,6 +41,9 @@ class ReportDatatable < CustomDatatable
       records.left_joins(:pdf_file_attachment)
              .order(active_storage_attachments: sort_direction(order_params))
              .order(pdf_file_status: sort_direction(order_params) == 'ASC' ? :desc : :asc)
+    when 'reports.code'
+      sort_by = "reports.id #{sort_direction(order_params)}"
+      records.order(sort_by)
     else
       sort_by = "#{sort_column(order_params)} #{sort_direction(order_params)}"
       records.order(sort_by)
diff --git a/app/models/my_module.rb b/app/models/my_module.rb
index 94e2f3540..8c9923409 100644
--- a/app/models/my_module.rb
+++ b/app/models/my_module.rb
@@ -2,9 +2,9 @@
 
 class MyModule < ApplicationRecord
   ID_PREFIX = 'TA'
-  SEARCHABLE_ATTRIBUTES = ['my_modules.name', 'my_modules.description', PREFIXED_ID_SQL].freeze
- 
   include PrefixedIdModel
+  SEARCHABLE_ATTRIBUTES = ['my_modules.name', 'my_modules.description', PREFIXED_ID_SQL].freeze
+
   include ArchivableModel
   include SearchableModel
   include SearchableByNameModel
diff --git a/app/models/project.rb b/app/models/project.rb
index 8a3915557..f321cc1b8 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -2,9 +2,9 @@
 
 class Project < ApplicationRecord
   ID_PREFIX = 'PR'
+  include PrefixedIdModel
   SEARCHABLE_ATTRIBUTES = ['projects.name', PREFIXED_ID_SQL].freeze
 
-  include PrefixedIdModel
   include ArchivableModel
   include SearchableModel
   include SearchableByNameModel
@@ -12,9 +12,6 @@ class Project < ApplicationRecord
   include PermissionCheckableModel
   include Assignable
 
-  ID_PREFIX = 'PR'
-  include PrefixedIdModel
-
   enum visibility: { hidden: 0, visible: 1 }
 
   auto_strip_attributes :name, nullify: false
diff --git a/app/models/protocol.rb b/app/models/protocol.rb
index cfc8ce356..812cbf835 100644
--- a/app/models/protocol.rb
+++ b/app/models/protocol.rb
@@ -2,10 +2,10 @@
 
 class Protocol < ApplicationRecord
   ID_PREFIX = 'PT'
+  include PrefixedIdModel
   SEARCHABLE_ATTRIBUTES = ['protocols.name', 'protocols.description',
                            'protocols.authors', 'protocol_keywords.name', PREFIXED_ID_SQL].freeze
 
-  include PrefixedIdModel
   include SearchableModel
   include RenamingUtil
   include SearchableByNameModel
diff --git a/app/models/report.rb b/app/models/report.rb
index 449d12cf8..c822b3dee 100644
--- a/app/models/report.rb
+++ b/app/models/report.rb
@@ -2,18 +2,15 @@
 
 class Report < ApplicationRecord
   ID_PREFIX = 'RP'
+  include PrefixedIdModel
   SEARCHABLE_ATTRIBUTES = ['reports.name', 'reports.description', PREFIXED_ID_SQL].freeze
 
-  include PrefixedIdModel
   include SettingsModel
   include Assignable
   include PermissionCheckableModel
   include SearchableModel
   include SearchableByNameModel
 
-  ID_PREFIX = 'RP'
-  include PrefixedIdModel
-
   enum pdf_file_status: { pdf_empty: 0, pdf_processing: 1, pdf_ready: 2, pdf_error: 3 }
   enum docx_file_status: { docx_empty: 0, docx_processing: 1, docx_ready: 2, docx_error: 3 }