tracker/udp/client.go | 2 ++

diff --git a/tracker/udp/client.go b/tracker/udp/client.go
index 54099ff61680d45ede1cff83b254815430ce466b..d66348e16928d4bd48a2499cf44340093461154c 100644
--- a/tracker/udp/client.go
+++ b/tracker/udp/client.go
@@ -110,6 +110,8 @@ 	t := cl.Dispatcher.NewTransaction(func(dr DispatchedResponse) {
 		respChan <- dr
 	})
 	defer t.End()
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
 	writeErr := make(chan error, 1)
 	go func() {
 		writeErr <- cl.requestWriter(ctx, action, body, t.Id())