diff --git a/lib/sidekiq/cli.rb b/lib/sidekiq/cli.rb
index 989ece57..6289256f 100644
--- a/lib/sidekiq/cli.rb
+++ b/lib/sidekiq/cli.rb
@@ -16,8 +16,10 @@ trap 'USR1' do
 end
 
 trap 'USR2' do
-  Sidekiq.logger.info "Received USR2, reopening log file"
-  Sidekiq.logger = Sidekiq::Logging.new_file_logger(Sidekiq.options[:logfile])
+  if Sidekiq.options[:logfile]
+    Sidekiq.logger.info "Received USR2, reopening log file"
+    Sidekiq.logger = Sidekiq::Logging.new_file_logger(Sidekiq.options[:logfile])
+  end
 end
 
 trap 'TTIN' do