diff --git a/app/models/concerns/versions.rb b/app/models/concerns/versions.rb
index 49c4298f2..5e2bad90c 100644
--- a/app/models/concerns/versions.rb
+++ b/app/models/concerns/versions.rb
@@ -67,7 +67,7 @@ module Versions
           map do |ver|
             o = new(ver.object)
             o.version_loader = ver
-            ver.object_changes.to_h.each { |k, v| o[k]=v[-1] }
+            ver.object_changes.to_h.each { |k, v| o.public_send("#{k}=", v[-1]) }
             o
           end
       not_in_history = where(id: (ids.to_a - from_history.map(&:id)))
diff --git a/app/views/admin/contact_versions/index.haml b/app/views/admin/contact_versions/index.haml
index 31d8f84e3..0367db3be 100644
--- a/app/views/admin/contact_versions/index.haml
+++ b/app/views/admin/contact_versions/index.haml
@@ -58,7 +58,7 @@
           - @versions.each do |version|
             - if version
             - contact = Contact.new(version.object.to_h)
-            - version.object_changes.to_h.each{|k,v| contact[k]=v.last}
+            - version.object_changes.to_h.each { |k,v| contact.public_send("#{k}=", v.last) }
 
               %tr
                 %td= link_to(contact.name, admin_contact_version_path(version.id))
diff --git a/app/views/admin/contact_versions/show.haml b/app/views/admin/contact_versions/show.haml
index 82a96daba..e19326fca 100644
--- a/app/views/admin/contact_versions/show.haml
+++ b/app/views/admin/contact_versions/show.haml
@@ -1,5 +1,5 @@
 - contact = Contact.new(@version.object.to_h)
-- @version.object_changes.to_h.each{|k,v| contact[k]=v.last}
+- @version.object_changes.to_h.each { |k,v| contact.public_send("#{k}=", v.last ) }
 = render 'shared/title', name: contact.name
 
 .row
diff --git a/app/views/admin/domain_versions/archive.haml b/app/views/admin/domain_versions/archive.haml
index 2a22284e9..5e6d8eaa9 100644
--- a/app/views/admin/domain_versions/archive.haml
+++ b/app/views/admin/domain_versions/archive.haml
@@ -56,7 +56,7 @@
           - @versions.each do |version|
             - if version
               - domain = Domain.new(version.object.to_h)
-              - version.object_changes.to_h.each{|k,v| domain[k]=v.last}
+              - version.object_changes.to_h.each{|k,v| domain.public_send("#{k}=", v.last) }
 
               %tr
                 %td= link_to(domain.name, admin_domain_version_path(version.id))
@@ -66,7 +66,7 @@
                   - else
                     - contact = Contact.all_versions_for([domain.registrant_id], version.created_at).first
                     - if contact.nil? && ver = ContactVersion.where(item_id: domain.registrant_id).last
-                      - contact = Contact.new(ver.object.to_h.merge(ver.object_changes.to_h.each_with_object({}){|(k,v), o| o[k]=v.last } ))
+                      - contact = Contact.new(ver.object.to_h.merge(ver.object_changes.to_h.each_with_object({}){|(k,v), o| o.public_send("#{k}=", v.last) } ))
                     = contact.try(:name)
                     = " ".html_safe
                     = "(#{t(:deleted)})"
diff --git a/app/views/admin/domain_versions/show.haml b/app/views/admin/domain_versions/show.haml
index d0863eed5..1a17ba3f9 100644
--- a/app/views/admin/domain_versions/show.haml
+++ b/app/views/admin/domain_versions/show.haml
@@ -1,5 +1,5 @@
 - domain = Domain.new(@version.object.to_h)
-- @version.object_changes.to_h.each{|k,v| domain[k]=v.last}
+- @version.object_changes.to_h.each{|k,v| domain.public_send("#{k}=", v.last) }
 
 - if @version
   - children = HashWithIndifferentAccess.new(@version.children)