diff --git a/encoder.go b/encoder.go
index a893546..067b1cc 100644
--- a/encoder.go
+++ b/encoder.go
@@ -18,7 +18,7 @@ func (e *Encoder) ResetInfoFrameId() {
 	e.infoFrameId = 1
 }
 
-func (e *Encoder) GetInfoPackets(timestamp uint64, trackers []Tracker) [][]byte {
+func (e *Encoder) GetInfoPackets(timestamp uint64, trackers []*Tracker) [][]byte {
 	systemNameChunk := encoders.EncodeInfoSystemNameChunk(e.SystemName)
 
 	trackerChunks := [][]byte{}
@@ -58,7 +58,7 @@ func (e *Encoder) GetInfoPackets(timestamp uint64, trackers []Tracker) [][]byte
 	return infoPackets
 }
 
-func (e *Encoder) GetDataPackets(timestamp uint64, trackers []Tracker) [][]byte {
+func (e *Encoder) GetDataPackets(timestamp uint64, trackers []*Tracker) [][]byte {
 	trackerChunks := [][]byte{}
 
 	for _, tracker := range trackers {