diff --git a/ctl/server.go b/ctl/server.go
index 9ae18629c..5ed40dbf4 100644
--- a/ctl/server.go
+++ b/ctl/server.go
@@ -70,6 +70,7 @@ func BuildServerFlags(cmd *cobra.Command, srv *server.Command) {
 	flags.BoolVarP((&srv.Config.Metric.Diagnostics), "metric.diagnostics", "", srv.Config.Metric.Diagnostics, "Enabled diagnostics reporting.")
 
 	// Tracing
+	flags.StringVarP(&srv.Config.Tracing.AgentHostPort, "tracing.agent-host-port", "", srv.Config.Tracing.AgentHostPort, "Jaeger agent host:port.")
 	flags.StringVarP(&srv.Config.Tracing.SamplerType, "tracing.sampler-type", "", srv.Config.Tracing.SamplerType, "Jaeger sampler type.")
 	flags.Float64VarP(&srv.Config.Tracing.SamplerParam, "tracing.sampler-param", "", srv.Config.Tracing.SamplerParam, "Jaeger sampler parameter.")
 }