diff --git a/bluemastofeed.py b/bluemastofeed.py
index 395378e..f6b3d46 100644
--- a/bluemastofeed.py
+++ b/bluemastofeed.py
@@ -137,8 +137,12 @@ def save_seen_id(post_id):
         f.write(post_id + "\n")
 
 
-def post_to_mastodon(message):
+def post_to_mastodon(title, link, tags):
     mastodon = Mastodon(access_token=MASTODON_TOKEN, api_base_url=MASTODON_BASE_URL)
+    hashtags = " ".join(f"#{tag}" for tag in tags) if tags else ""
+    message = f"{title}\n\n{link}"
+    if hashtags:
+        message += f"\n\n{hashtags}"
     mastodon.toot(message)
 
 
@@ -257,7 +261,7 @@ def main():
 
         try:
             if POST_TARGETS in ("mastodon", "both"):
-                post_to_mastodon(message)
+                post_to_mastodon(title, link, tags)
                 time.sleep(2)
 
             if POST_TARGETS in ("bluesky", "both"):