diff --git a/bin/pumactl b/bin/pumactl
index 1dd5a10d..51ab353d 100755
--- a/bin/pumactl
+++ b/bin/pumactl
@@ -2,7 +2,7 @@
 
 require 'puma/control_cli'
 
-cli = Puma::ControlCLI.new ARGV
+cli = Puma::ControlCLI.new ARGV.dup
 
 begin
   cli.run