diff --git a/pkg/service/v0/tracing.go b/pkg/service/v0/tracing.go
index e9f2240ffd..73a8487c40 100644
--- a/pkg/service/v0/tracing.go
+++ b/pkg/service/v0/tracing.go
@@ -1,6 +1,7 @@
 package svc
 
 import (
+	"context"
 	"net/http"
 
 	"go.opencensus.io/plugin/ochttp/propagation/tracecontext"
@@ -20,11 +21,14 @@ type tracing struct {
 
 // ServeHTTP implements the Service interface.
 func (t tracing) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	var ctx context.Context
+	var span *trace.Span
 	tp := tracecontext.HTTPFormat{}
-	sc, _ := tp.SpanContextFromRequest(r)
-
-	ctx, span := trace.StartSpanWithRemoteParent(r.Context(), r.URL.String(), sc)
-	defer span.End()
+	sc, ok := tp.SpanContextFromRequest(r)
+	if ok {
+		ctx, span = trace.StartSpanWithRemoteParent(r.Context(), r.URL.String(), sc)
+		defer span.End()
+	}
 
 	t.next.ServeHTTP(w, r.WithContext(ctx))
 }