diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index bcc140919b..1d66fa46d6 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -14,7 +14,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     else
       create_status
     end
-  rescue Mastodon::RejectPayload
+  rescue Mastodon::RejectPayloadError
     reject_payload!
   end
 
@@ -86,7 +86,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
 
     process_status_params
 
-    raise Mastodon::RejectPayload if MediaAttachment.where(id: @params[:media_attachment_ids]).where(blurhash: Setting.reject_blurhash.split(/\r?\n/).filter(&:present?).uniq).present?
+    raise Mastodon::RejectPayloadError if MediaAttachment.where(id: @params[:media_attachment_ids]).where(blurhash: Setting.reject_blurhash.split(/\r?\n/).filter(&:present?).uniq).present?
 
     process_tags
     process_audience
diff --git a/lib/exceptions.rb b/lib/exceptions.rb
index 474d0dab20..e5874db42f 100644
--- a/lib/exceptions.rb
+++ b/lib/exceptions.rb
@@ -8,7 +8,7 @@ module Mastodon
   class LengthValidationError < ValidationError; end
   class DimensionsValidationError < ValidationError; end
   class StreamValidationError < ValidationError; end
-  class RejectPayload < ValidationError; end
+  class RejectPayloadError < ValidationError; end
   class FilterValidationError < ValidationError; end
   class RaceConditionError < Error; end
   class RateLimitExceededError < Error; end