diff --git a/lib/twilio-ruby/rest/video/v1/recording.rb b/lib/twilio-ruby/rest/video/v1/recording.rb
index 181ee12a0..a7160d905 100644
--- a/lib/twilio-ruby/rest/video/v1/recording.rb
+++ b/lib/twilio-ruby/rest/video/v1/recording.rb
@@ -126,7 +126,7 @@ def page(status: :unset, source_sid: :unset, grouping_sid: :unset, date_created_
                             
                             'SourceSid' => source_sid,
                             
-                            'GroupingSid' =>  Twilio.serialize_list(grouping_sid),
+                            'GroupingSid' =>  Twilio.serialize_list(grouping_sid) { |e| e },
                             
                             'DateCreatedAfter' =>  Twilio.serialize_iso8601_datetime(date_created_after),