diff --git a/.rubocop.yml b/.rubocop.yml
index cd75d4d2..15b064ef 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -111,3 +111,4 @@ Style/OpenStructUse:
 Style/OptionalBooleanParameter:
   Exclude:
     - lib/redmine_dmsf/field_formats/dmsf_file_format.rb
+    - lib/redmine_dmsf/field_formats/dmsf_file_revision_format.rb
diff --git a/lib/redmine_dmsf/field_formats/dmsf_file_revision_format.rb b/lib/redmine_dmsf/field_formats/dmsf_file_revision_format.rb
index 944585a2..59e54ccd 100644
--- a/lib/redmine_dmsf/field_formats/dmsf_file_revision_format.rb
+++ b/lib/redmine_dmsf/field_formats/dmsf_file_revision_format.rb
@@ -72,7 +72,7 @@ module RedmineDmsf
         options
       end
 
-      def formatted_value(view, _custom_field, value, _customized = nil, _html: false)
+      def formatted_value(view, _custom_field, value, _customized = nil, _html = false)
         return '' if value.blank?
 
         revision = DmsfFileRevision.find_by(id: value)