diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 6661d0d441..89b8a5b87c 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -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::RejectPayload if MediaAttachment.where(id: @params[:media_attachment_ids]).where(blurhash: Setting.reject_blurhash.split(/\r?\n/).filter(&:present?).uniq).present?
 
     process_tags
     process_audience