diff --git a/twoot.py b/twoot.py
index 5769822..7c41445 100755
--- a/twoot.py
+++ b/twoot.py
@@ -1123,6 +1123,7 @@ def main(argv):
             "tweet_text": tweet_text,
             "video": video_file,
             "photos": photos,
+            "reply-to": reply_to,
         }
         tweets.append(tweet)