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-rw-r--r--app/lib/activitypub/activity/create.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 8a12a2b08..756d5cb1c 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -157,7 +157,7 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
     return if tag['name'].blank?
 
     Tag.find_or_create_by_names(tag['name']) do |hashtag|
-      @tags << hashtag unless @tags.include?(hashtag)
+      @tags << hashtag unless @tags.include?(hashtag) || !hashtag.valid?
     end
   rescue ActiveRecord::RecordInvalid
     nil