diff --git a/cmd/postgres-reader/main.go b/cmd/postgres-reader/main.go
index 6cabbac3..7938511a 100644
--- a/cmd/postgres-reader/main.go
+++ b/cmd/postgres-reader/main.go
@@ -213,13 +213,13 @@ func newService(db *sqlx.DB, logger logger.Logger) readers.MessageRepository {
 	svc = api.MetricsMiddleware(
 		svc,
 		kitprometheus.NewCounterFrom(stdprometheus.CounterOpts{
-			Namespace: svcName,
+			Namespace: "postgres",
 			Subsystem: "message_reader",
 			Name:      "request_count",
 			Help:      "Number of requests received.",
 		}, []string{"method"}),
 		kitprometheus.NewSummaryFrom(stdprometheus.SummaryOpts{
-			Namespace: svcName,
+			Namespace: "postgres",
 			Subsystem: "message_reader",
 			Name:      "request_latency_microseconds",
 			Help:      "Total duration of requests in microseconds.",
diff --git a/cmd/postgres-writer/main.go b/cmd/postgres-writer/main.go
index c770072a..895c5ee6 100644
--- a/cmd/postgres-writer/main.go
+++ b/cmd/postgres-writer/main.go
@@ -139,13 +139,13 @@ func newService(db *sqlx.DB, logger logger.Logger) writers.MessageRepository {
 	svc = api.MetricsMiddleware(
 		svc,
 		kitprometheus.NewCounterFrom(stdprometheus.CounterOpts{
-			Namespace: svcName,
+			Namespace: "postgres",
 			Subsystem: "message_writer",
 			Name:      "request_count",
 			Help:      "Number of requests received.",
 		}, []string{"method"}),
 		kitprometheus.NewSummaryFrom(stdprometheus.SummaryOpts{
-			Namespace: svcName,
+			Namespace: "postgres",
 			Subsystem: "message_writer",
 			Name:      "request_latency_microseconds",
 			Help:      "Total duration of requests in microseconds.",