diff --git a/app/services/activitypub/process_status_update_service.rb b/app/services/activitypub/process_status_update_service.rb
index 9f4d4de5586..1d7adc61614 100644
--- a/app/services/activitypub/process_status_update_service.rb
+++ b/app/services/activitypub/process_status_update_service.rb
@@ -205,7 +205,11 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
 
   def update_tags!
     previous_tags = @status.tags.to_a
-    current_tags = @status.tags = Tag.find_or_create_by_names(@raw_tags)
+    current_tags = @status.tags = @raw_tags.flat_map do |tag|
+      Tag.find_or_create_by_names([tag]).filter(&:valid?)
+    rescue ActiveRecord::RecordInvalid
+      []
+    end
 
     return unless @status.distributable?
 
diff --git a/spec/services/activitypub/process_status_update_service_spec.rb b/spec/services/activitypub/process_status_update_service_spec.rb
index 8537931c7ea..e8838d11042 100644
--- a/spec/services/activitypub/process_status_update_service_spec.rb
+++ b/spec/services/activitypub/process_status_update_service_spec.rb
@@ -258,6 +258,7 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService do
           tag: [
             { type: 'Hashtag', name: 'foo' },
             { type: 'Hashtag', name: 'bar' },
+            { type: 'Hashtag', name: '#2024' },
           ],
         }
       end