diff --git a/manifests/setup.pp b/manifests/setup.pp
index 82a082f52..3d3472510 100644
--- a/manifests/setup.pp
+++ b/manifests/setup.pp
@@ -43,6 +43,7 @@
 
   $script_command = $::osfamily? {
     'windows' => "ruby.exe '${script_path}'",
+    'openbsd' => "/usr/local/bin/ruby21 '${script_path}'",
     default   => $script_path
   }