1 files changed, 1 insertions, 1 deletions
diff --git a/lib/license/management.rb b/lib/license/management.rb
index 0824157..41885d5 100644
--- a/lib/license/management.rb
+++ b/lib/license/management.rb
@@ -26,7 +26,7 @@ module License
     def self.logger
       @logger ||= Logger.new(STDOUT, level: ENV.fetch('LOG_LEVEL', Logger::WARN)).tap do |x|
         x.formatter = proc do |_severity, _datetime, _progname, message|
-          prefix = message.start_with?("\n") ? "" : "[v#{VERSION}] "
+          prefix = message.to_s.start_with?("\n") ? "" : "[v#{VERSION}] "
           "#{prefix}#{message}\n"
         end
       end