diff --git a/app/models/concerns/foreman_vmware_advanced/vmware_extensions.rb b/app/models/concerns/foreman_vmware_advanced/vmware_extensions.rb
index 635ca39bf33fa1d5d508de0de249c27226024a44..ab1e6c3a0c4920092c3bb06e2f039a16ecdafaf8 100644
--- a/app/models/concerns/foreman_vmware_advanced/vmware_extensions.rb
+++ b/app/models/concerns/foreman_vmware_advanced/vmware_extensions.rb
@@ -20,7 +20,7 @@ module ForemanVmwareAdvanced
           spec[:bootOptions] = RbVmomi::VIM::VirtualMachineBootOptions.new(efiSecureBootEnabled: true)
         end
 
-        if SETTINGS[:vtpm_add]
+        if SETTINGS[:vmware_vtpm]
           spec[:deviceChange] = [
             {
               operation: :add,