diff --git a/app/models/persistent_volume.rb b/app/models/persistent_volume.rb
index 4593a4b0f8f..198162fe615 100644
--- a/app/models/persistent_volume.rb
+++ b/app/models/persistent_volume.rb
@@ -2,12 +2,16 @@ class PersistentVolume < ContainerVolume
   acts_as_miq_taggable
   include NewWithTypeStiMixin
   serialize :capacity, Hash
-  delegate :name, :to => :parent, :prefix => true, :allow_nil => true
+
+  # NOTE: overriding parent polymorphic. Ensuring the type gets set
+  belongs_to :parent, :class_name => 'ExtManagementSystem'
+  default_value_for :parent_type, 'ExtManagementSystem'
+
   has_many :container_volumes, -> { where(:type => 'ContainerVolume') }, :through => :persistent_volume_claim
   has_many :parents, -> { distinct }, :through => :container_volumes, :source_type => 'ContainerGroup'
   alias_attribute :container_groups, :parents
 
-  virtual_attribute :parent_name, :string
+  virtual_delegate :name, :to => :parent, :prefix => true, :allow_nil => true, :type => :string
   virtual_attribute :storage_capacity, :string
 
   def storage_capacity
diff --git a/spec/models/persistent_volume_spec.rb b/spec/models/persistent_volume_spec.rb
index 52e5058089e..b62a15b4a60 100644
--- a/spec/models/persistent_volume_spec.rb
+++ b/spec/models/persistent_volume_spec.rb
@@ -63,6 +63,6 @@
     end
 
     # delegating through a polymorphic forces us to ruby only
-    it_behaves_like "ruby only virtual_attribute", :parent_name, 'ems_name'
+    it_behaves_like "sql friendly virtual_attribute", :parent_name, 'ems_name'
   end
 end