diff --git a/player.go b/player.go
index 04c78a2..308e321 100644
--- a/player.go
+++ b/player.go
@@ -199,7 +199,7 @@ func NewSpectator(id string, ws *websocket.Conn, bw *bandwidth.Bandwidth, encodi
 // from spectators.
 func (s *Spectator) Recv() {
 	for {
-		var msgs interface{}
+		var msgs map[string]Instruction
 		err := s.dec.Decode(&msgs)
 		if err != nil {
 			log.Printf("%s: %s", s.Id, err)