diff --git a/app/models/message.rb b/app/models/message.rb
index fc561a9..bd4f2c6 100644
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -87,6 +87,10 @@ def from_string(str)
     end
   end
 
+  def list
+    @list ||= List.find_by_id(list_id)
+  end
+
   def count_recursively(count = 0)
     count + 1 + (children&.sum(&:count_recursively) || 0)
   end
diff --git a/bin/import_mails b/bin/import_mails
index a5e2a2f..1678060 100755
--- a/bin/import_mails
+++ b/bin/import_mails
@@ -34,7 +34,7 @@ Message.transaction do
       STDERR.puts("#{list}:#{seq} already exists in Postgres")
     rescue StandardError => e
       errors << [seq, e]
-      STDERR.puts("failed to import #{list}:#{seq}: #{e}")
+      STDERR.puts("failed to import #{list.name}:#{seq}: #{e}")
     end
   end
 end