diff --git a/go/twitterchiver/related_fetcher/fetcher.go b/go/twitterchiver/related_fetcher/fetcher.go
index a906d1d4a7..2ffe521507 100644
--- a/go/twitterchiver/related_fetcher/fetcher.go
+++ b/go/twitterchiver/related_fetcher/fetcher.go
@@ -356,7 +356,7 @@ func relatedFetchTick(ctx context.Context, cfg WorkerConfig) error {
 				}
 
 				// We don't have it already; let's fetch it from ze Twitterz.
-				req, err := http.NewRequest("GET", fmt.Sprintf("https://api.twitter.com/1.1/statuses/show.json?id=%d&include_entities=true&include_ext_alt_text=true", tid), nil)
+				req, err := http.NewRequest("GET", fmt.Sprintf("https://api.twitter.com/1.1/statuses/show.json?id=%d&include_entities=true&include_ext_alt_text=true&tweet_mode=extended", tid), nil)
 				if err != nil {
 					log.Printf("[%v:%d:%d] Constructing GET request: %v", cfg.Name, t.ID, tid, err)
 					return