diff --git a/market/quality.go b/market/quality.go
index 7416db162c..c238a9d68f 100644
--- a/market/quality.go
+++ b/market/quality.go
@@ -19,8 +19,9 @@ package market
 
 // Quality represents service quality.
 type Quality struct {
-	Quality   float64 `json:"quality"`
-	Latency   float64 `json:"latency"`
-	Bandwidth float64 `json:"bandwidth"`
-	Uptime    float64 `json:"uptime"`
+	Quality    float64 `json:"quality"`
+	Latency    float64 `json:"latency"`
+	Bandwidth  float64 `json:"bandwidth"`
+	Uptime     float64 `json:"uptime"`
+	PacketLoss float64 `json:"packetLoss"`
 }
diff --git a/market/service_proposal_test.go b/market/service_proposal_test.go
index 58245b52bf..cff8d80615 100644
--- a/market/service_proposal_test.go
+++ b/market/service_proposal_test.go
@@ -39,10 +39,11 @@ func Test_ServiceProposal_Serialize(t *testing.T) {
 	config.Current.SetDefault(config.FlagDefaultCurrency.Name, "MYSTT")
 	sp := NewProposal("node", "mock_service", NewProposalOpts{
 		Quality: &Quality{
-			Quality:   2.0,
-			Latency:   5,
-			Bandwidth: 100,
-			Uptime:    20,
+			Quality:    2.0,
+			Latency:    5,
+			Bandwidth:  100,
+			Uptime:     20,
+			PacketLoss: 0.5,
 		},
 		Contacts: ContactList{},
 	})
@@ -61,7 +62,8 @@ func Test_ServiceProposal_Serialize(t *testing.T) {
         "quality": 2.0,
         "latency": 5,
         "bandwidth": 100,
-        "uptime": 20
+        "uptime": 20,
+		"packetLoss": 0.5
       },
       "contacts": []
 	}`