diff --git a/app/lib/inline_renderer.rb b/app/lib/inline_renderer.rb
index 7071bb6804..ebdd1d189f 100644
--- a/app/lib/inline_renderer.rb
+++ b/app/lib/inline_renderer.rb
@@ -12,6 +12,9 @@ class InlineRenderer
     when :status
       serializer = REST::StatusSerializer
       preload_associations_for_status
+    when :status_internal
+      serializer = REST::StatusInternalSerializer
+      preload_associations_for_status
     when :notification
       serializer = REST::NotificationSerializer
     when :emoji_reaction
diff --git a/app/models/custom_filter.rb b/app/models/custom_filter.rb
index 5a19942e88..f443d08ca6 100644
--- a/app/models/custom_filter.rb
+++ b/app/models/custom_filter.rb
@@ -101,7 +101,10 @@ class CustomFilter < ApplicationRecord
       next if filter.exclude_follows && following
       next if filter.exclude_localusers && status.account.local?
 
-      match = rules[:keywords].match(status.proper.searchable_text) if rules[:keywords].present?
+      if rules[:keywords].present?
+        match = rules[:keywords].match(status.proper.searchable_text)
+        match = rules[:keywords].match(status.proper.references.pluck(:text).join("\n\n")) if match.nil? && status.proper.references.exists?
+      end
       keyword_matches = [match.to_s] unless match.nil?
 
       status_matches = [status.id, status.reblog_of_id].compact & rules[:status_ids] if rules[:status_ids].present?
diff --git a/app/serializers/rest/status_internal_serializer.rb b/app/serializers/rest/status_internal_serializer.rb
new file mode 100644
index 0000000000..7a2cbf5746
--- /dev/null
+++ b/app/serializers/rest/status_internal_serializer.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class REST::StatusInternalSerializer < REST::StatusSerializer
+  attributes :reference_texts
+
+  def reference_texts
+    object.references.pluck(:text)
+  end
+end
diff --git a/app/services/fan_out_on_write_service.rb b/app/services/fan_out_on_write_service.rb
index 94f9612725..865589dacd 100644
--- a/app/services/fan_out_on_write_service.rb
+++ b/app/services/fan_out_on_write_service.rb
@@ -195,7 +195,7 @@ class FanOutOnWriteService < BaseService
   end
 
   def rendered_status
-    @rendered_status ||= InlineRenderer.render(@status, nil, :status)
+    @rendered_status ||= InlineRenderer.render(@status, nil, :status_internal)
   end
 
   def update?
diff --git a/streaming/index.js b/streaming/index.js
index 7bd3ddb0a7..8b16bfe533 100644
--- a/streaming/index.js
+++ b/streaming/index.js
@@ -763,6 +763,11 @@ const startServer = async () => {
     const listener = message => {
       const { event, payload } = message;
 
+      // reference_texts property is not working if ProcessReferencesWorker is
+      // used on PostStatusService and so on. (Asynchronous processing)
+      const reference_texts = payload.reference_texts || [];
+      delete payload.reference_texts;
+
       // Streaming only needs to apply filtering to some channels and only to
       // some events. This is because majority of the filtering happens on the
       // Ruby on Rails side when producing the event for streaming.
@@ -908,7 +913,7 @@ const startServer = async () => {
           if (req.cachedFilters) {
             const status = payload;
             // TODO: Calculate searchableContent in Ruby on Rails:
-            const searchableContent = ([status.spoiler_text || '', status.content].concat((status.poll && status.poll.options) ? status.poll.options.map(option => option.title) : [])).concat(status.media_attachments.map(att => att.description)).join('\n\n').replace(/<br\s*\/?>/g, '\n').replace(/<\/p><p>/g, '\n\n');
+            const searchableContent = ([status.spoiler_text || '', status.content, ...(reference_texts || [])].concat((status.poll && status.poll.options) ? status.poll.options.map(option => option.title) : [])).concat(status.media_attachments.map(att => att.description)).join('\n\n').replace(/<br\s*\/?>/g, '\n').replace(/<\/p><p>/g, '\n\n');
             const searchableTextContent = JSDOM.fragment(searchableContent).textContent;
 
             const now = new Date();