webtorrent/tracker_protocol.go | 2 +-

diff --git a/webtorrent/tracker_protocol.go b/webtorrent/tracker_protocol.go
index 167044a6315510e833634c0b9fcb1d93f95787f6..a63fe5a64d3cd470d81bf4a38ac05bad95ee2256 100644
--- a/webtorrent/tracker_protocol.go
+++ b/webtorrent/tracker_protocol.go
@@ -12,7 +12,7 @@ 	Numwant    int     `json:"numwant"`
 	Uploaded   int64   `json:"uploaded"`
 	Downloaded int64   `json:"downloaded"`
 	Left       int64   `json:"left"`
-	Event      string  `json:"event"`
+	Event      string  `json:"event,omitempty"`
 	Action     string  `json:"action"`
 	InfoHash   string  `json:"info_hash"`
 	PeerID     string  `json:"peer_id"`