diff --git a/README.md b/README.md
index 8a6314d..830e27c 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ export YAMLDIR='/var/lib/puppet/yaml'
 export SSLDIR='/var/lib/puppet/ssl'
 export PUSER='puppet'
 [ $USER == $PUSER ] || exit 1
-time puppet catalog diff puppet2.example.com puppet3.example.com \
+time puppet catalog diff puppet2.example.com puppet3.example.com:8150 \
 --show_resource_diff \
 --content_diff \
 --yamldir $YAMLDIR \
diff --git a/lib/puppet/catalog-diff/compilecatalog.rb b/lib/puppet/catalog-diff/compilecatalog.rb
index 18a4fd1..e14c51c 100644
--- a/lib/puppet/catalog-diff/compilecatalog.rb
+++ b/lib/puppet/catalog-diff/compilecatalog.rb
@@ -35,14 +35,16 @@ def lookup_environment(node_name)
 
     def compile_catalog(node_name,server)
       server,environment = server.split('/')
+      server,port = server.split(':')
+      port ||= '8140'
       environment ||= lookup_environment(node_name)
       endpoint = "/#{environment}/catalog/#{node_name}"
-      Puppet.debug("Connecting to server: #{server}")
+      Puppet.debug("Connecting to server: #{server}:#{port}")
       begin
-        connection = Puppet::Network::HttpPool.http_instance(server,'8140')
+        connection = Puppet::Network::HttpPool.http_instance(server,port)
         catalog = connection.request_get(endpoint, {"Accept" => 'pson'}).body
       rescue Exception => e
-        raise "Failed to retrieve catalog for #{node_name} from #{server} in environment #{environment}: #{e.message}"
+        raise "Failed to retrieve catalog for #{node_name} from #{server}:#{port} in environment #{environment}: #{e.message}"
       end
       catalog
     end
diff --git a/lib/puppet/catalog-diff/searchfacts.rb b/lib/puppet/catalog-diff/searchfacts.rb
index 850fa20..9194e20 100644
--- a/lib/puppet/catalog-diff/searchfacts.rb
+++ b/lib/puppet/catalog-diff/searchfacts.rb
@@ -53,12 +53,13 @@ def find_nodes_rest(server)
         query = @facts.map { |k, v| "facts.#{k}=#{v}" }.join('&')
         # https://github.com/puppetlabs/puppet/blob/3.8.0/api/docs/http_api_index.md#error-responses
         endpoint = "/v2.0/facts_search/search?#{query}"
-
+        server,port = server.split(':')
+        port ||= '8140'
         begin
-          connection = Puppet::Network::HttpPool.http_instance(server,'8140')
+          connection = Puppet::Network::HttpPool.http_instance(server,port)
           facts_object = connection.request_get(endpoint, {"Accept" => 'pson'}).body
         rescue Exception => e
-          raise "Error retrieving facts from #{server}: #{e.message}"
+          raise "Error retrieving facts from #{server}:#{port}: #{e.message}"
         end
         if JSON.load(facts_object).has_key?('issue_kind')
           raise "Not authorized to retrieve facts, auth.conf edits missing?" if facts_object['issue_kind'] == 'FAILED_AUTHORIZATION'