diff --git a/main.py b/main.py
index 3afe32c..bdf92e3 100644
--- a/main.py
+++ b/main.py
@@ -334,6 +334,7 @@ def get_target_posts (
     timeline: Response = client.get_timeline ()
     for feed in timeline.feed:
         if (feed.post.author.did != client.me.did
+                and (feed.post.viewer.like is None)
                 and any (target_word in feed.post.record.text.lower () for target_word in TARGET_WORDS)):
             posts.append (LikeParams({ 'uri': feed.post.uri, 'cid': feed.post.cid }))