diff --git a/net/ping/ping.go b/net/ping/ping.go
index 9ef3b67..a595060 100644
--- a/net/ping/ping.go
+++ b/net/ping/ping.go
@@ -77,12 +77,12 @@ func (r *PingResponse) GetError() string {
 }
 
 type PingSummary struct {
-	SendCount    int
-	ReceiveCount int
-	LossPercent  float32
-	MinTime      float32
-	MaxTime      float32
-	AvgTime      float32
+	SendCount    int     `json:"sendCount,omitempty"`
+	ReceiveCount int     `json:"receiveCount,omitempty"`
+	LossPercent  float32 `json:"lossPercent,omitempty"`
+	MinTime      float32 `json:"minTime,omitempty"`
+	MaxTime      float32 `json:"maxTime,omitempty"`
+	AvgTime      float32 `json:"avgTime,omitempty"`
 }
 
 func (s *PingSummary) GetSendCount() int {
@@ -105,8 +105,8 @@ func (s *PingSummary) GetAvgTime() float32 {
 }
 
 type PingResult struct {
-	Responses map[int]Response
-	Summary   Summary
+	Responses map[int]Response `json:"responses,omitempty"`
+	Summary   Summary          `json:"summary,omitempty"`
 }
 
 func (r *PingResult) GetResponses() map[int]Response {