diff --git a/src/protocol/bittorrent/piececache.c b/src/protocol/bittorrent/piececache.c
index e4a1ed98..a6e87f3d 100644
--- a/src/protocol/bittorrent/piececache.c
+++ b/src/protocol/bittorrent/piececache.c
@@ -1195,7 +1195,7 @@ start_bittorrent_resume(struct bittorrent_connection *bittorrent,
 	add_bytes_to_string(&info, meta->source, meta->length);
 
 #ifndef WIN32
-	cache->resume_fd = start_thread(bittorrent_resume_writer, info.source,
+	cache->resume_fd = start_thread(bittorrent_resume_writer, info.source, info.length);
 
 #else