diff --git a/lib/sidekiq/cli.rb b/lib/sidekiq/cli.rb
index c64751d8..936215ef 100644
--- a/lib/sidekiq/cli.rb
+++ b/lib/sidekiq/cli.rb
@@ -44,7 +44,7 @@ module Sidekiq
       self_read, self_write = IO.pipe
       sigs = %w[INT TERM TTIN TSTP]
       # USR1 and USR2 don't work on the JVM
-      sigs << "USR2" unless jruby?
+      sigs << "USR2" if Sidekiq.pro? && !jruby?
       sigs.each do |sig|
         trap sig do
           self_write.puts(sig)