diff --git a/lib/puppet/util/puppetdb_validator.rb b/lib/puppet/util/puppetdb_validator.rb
index a97976b..82112ef 100644
--- a/lib/puppet/util/puppetdb_validator.rb
+++ b/lib/puppet/util/puppetdb_validator.rb
@@ -1,35 +1,35 @@
 require 'puppet/network/http_pool'
 
 # Validator class, for testing that PuppetDB is alive
 class Puppet::Util::PuppetdbValidator
   attr_reader :test_uri
   attr_reader :test_headers
 
   def initialize(puppetdb_server, puppetdb_port, use_ssl = true, test_path = '/pdb/meta/v1/version')
     @test_uri = URI("#{use_ssl ? 'https' : 'http'}://#{puppetdb_server}:#{puppetdb_port}#{test_path}")
     @test_headers    = { 'Accept' => 'application/json' }
   end
 
   # Utility method; attempts to make an http/https connection to the puppetdb server.
   # This is abstracted out into a method so that it can be called multiple times
   # for retry attempts.
   #
   # @return true if the connection is successful, false otherwise.
   def attempt_connection
     # All that we care about is that we are able to connect successfully via
     # http(s), so here we're simpling hitting a somewhat arbitrary low-impact URL
     # on the puppetdb server.
     conn = Puppet.runtime[:http]
 
     response = conn.get(test_uri, headers: test_headers)
-    if response.is_a?(Puppet::HTTP::ResponseNetHTTP) && response.success?
+    if response.success?
       return true
     else
       Puppet.notice "Unable to connect to puppetdb server (#{test_uri}): [#{response.code}] #{response.reason}"
       return false
     end
   rescue StandardError => e
     Puppet.notice "Unable to connect to puppetdb server (#{test_uri}): #{e.message}"
     return false
   end
 end