diff --git a/spec/mock_vsphere_helper.rb b/spec/mock_vsphere_helper.rb
index 8fac2a8..701f948 100644
--- a/spec/mock_vsphere_helper.rb
+++ b/spec/mock_vsphere_helper.rb
@@ -88,13 +88,13 @@ def self.set_config(conf)
   end
 
   def self.powerOn
-    @@vms.each do |_name, vm|
+    @@vms.each_value do |vm|
       vm.powerState = 'poweredOn'
     end
   end
 
   def self.powerOff
-    @@vms.each do |_name, vm|
+    @@vms.each_value do |vm|
       vm.powerState = 'poweredOff'
     end
   end