diff --git a/files/routes/posts.py b/files/routes/posts.py
index 654d4376df..58546c9a99 100644
--- a/files/routes/posts.py
+++ b/files/routes/posts.py
@@ -951,7 +951,7 @@ def submit_post(v):
 
 
 	if (new_post.url or request.files.get('file')) and (v.is_activated or request.headers.get('cf-ipcountry')!="T1"):
-		new_thread = gevent.spawn(
+		gevent.spawn(
 			thumbnail_thread,
 			new_post.id
 		)