diff --git a/lib/syskit/cli/log_runtime_archive.rb b/lib/syskit/cli/log_runtime_archive.rb
index e612d1b7..31cf387e 100644
--- a/lib/syskit/cli/log_runtime_archive.rb
+++ b/lib/syskit/cli/log_runtime_archive.rb
@@ -3,7 +3,7 @@
 require "archive/tar/minitar"
 require "sys/filesystem"
 require "syskit/process_managers/remote/protocol"
-require 'net/ftp'
+require "net/ftp"
 
 module Syskit
     module CLI
@@ -177,11 +177,12 @@ def self.connect_to_remote_server(server_params)
                 ftp = Net::FTP.new
                 ftp.connect(server_params[:interface], server_params[:port])
                 ftp.login(server_params[:user], server_params[:password])
+                ftp.passive
                 ftp
             end
 
             def self.disconnect_from_remote_server(ftp)
-                ftp.close if ftp
+                ftp&.close
             end
 
             # Find all dataset-looking folders within a root log folder
diff --git a/lib/syskit/cli/log_runtime_archive_main.rb b/lib/syskit/cli/log_runtime_archive_main.rb
index c8dff5b9..43e00838 100644
--- a/lib/syskit/cli/log_runtime_archive_main.rb
+++ b/lib/syskit/cli/log_runtime_archive_main.rb
@@ -109,7 +109,7 @@ def transfer_server( # rubocop:disable Metrics/ParameterLists
                 )
             end
 
-            no_commands do
+            no_commands do # rubocop:disable Metrics/BlockLength
                 def validate_directory_exists(dir)
                     dir = Pathname.new(dir)
                     unless dir.directory?
@@ -124,8 +124,9 @@ def make_archiver(root_dir, target_dir: nil)
                     logger = Logger.new($stdout)
 
                     Syskit::CLI::LogRuntimeArchive.new(
-                        root_dir, target_dir: target_dir,
-                        logger: logger, max_archive_size: options[:max_size] * (1024**2)
+                        root_dir,
+                        target_dir: target_dir, logger: logger,
+                        max_archive_size: options[:max_size] * (1024**2)
                     )
                 end
 
diff --git a/test/cli/test_log_runtime_archive.rb b/test/cli/test_log_runtime_archive.rb
index b268b7f8..86e6ddb5 100644
--- a/test/cli/test_log_runtime_archive.rb
+++ b/test/cli/test_log_runtime_archive.rb
@@ -534,7 +534,7 @@ def should_archive_dataset(dataset, archive_basename, full:)
 
                 it "transfers datasets" do
                     ftp = connect_to_server
-                    
+
                     datasets = [
                         make_valid_folder("20220434-2023"),
                         make_valid_folder("20220434-2024"),
@@ -554,8 +554,8 @@ def create_server
                     thread = Thread.new do
                         server = RobyApp::LogTransferServer::SpawnServer.new(
                             @target_dir, @params[:user], @params[:password],
-                            @params[:certfile_path], interface: @params[:interface],
-                            port: @params[:port]
+                            @params[:certfile_path],
+                            interface: @params[:interface], port: @params[:port]
                         )
                         server.run
                     end
diff --git a/test/cli/test_log_runtime_archive_main.rb b/test/cli/test_log_runtime_archive_main.rb
index 8adad246..4c36efcb 100644
--- a/test/cli/test_log_runtime_archive_main.rb
+++ b/test/cli/test_log_runtime_archive_main.rb
@@ -144,7 +144,7 @@ def call_archive(root_path, archive_path, low_limit, freed_limit)
                         certfile_path: ca.private_certificate_path,
                         interface: interface, port: port
                     }
-                    server = spawn_server
+                    spawn_server
                 end
 
                 it "calls transfer with the specified period" do
@@ -167,7 +167,6 @@ def call_archive(root_path, archive_path, low_limit, freed_limit)
                             *@server_params.values,
                             "--period", 0.5
                         ]
-                        pp "***", args
                         LogRuntimeArchiveMain.start(args)
                     end