diff --git a/bot.py b/bot.py
index 8d3a44d..bd4a1fb 100644
--- a/bot.py
+++ b/bot.py
@@ -73,6 +73,9 @@ class Bot(discord.Client):
         tweets = data.get('tweet_create_events', [])
         if not tweets:
             return
+        if 'user_has_blocked' in data:
+            # ignore mentions
+            return
         user_id = data.get('for_user_id')
         if not user_id:
             return