diff --git a/pkg/alerting/alerting.go b/pkg/alerting/alerting.go
index 769781b..a5ad0aa 100644
--- a/pkg/alerting/alerting.go
+++ b/pkg/alerting/alerting.go
@@ -138,7 +138,7 @@ func (as *alerter) HUP(cfg *config.Config) {
 
 // Go is the alerting loop. It does not start a goroutine.
 func (as *alerter) Go(ctx context.Context) {
-	ctx = entities.CtxWithSubject(ctx, &entities.SystemServiceSubject{Name: "alerter"})
+	ctx = entities.CtxWithServiceSubject(ctx, "alerter")
 
 	err := as.startBackfill(ctx)
 	if err != nil {
diff --git a/pkg/database/partman/partman.go b/pkg/database/partman/partman.go
index 391e284..9b7afcd 100644
--- a/pkg/database/partman/partman.go
+++ b/pkg/database/partman/partman.go
@@ -135,7 +135,7 @@ func New(db database.Store, cfg config.Partition) (*partman, error) {
 var _ PartitionManager = (*partman)(nil)
 
 func (pm *partman) Go(ctx context.Context) {
-	ctx = entities.CtxWithSubject(ctx, &entities.SystemServiceSubject{Name: "partman"})
+	ctx = entities.CtxWithServiceSubject(ctx, "partman")
 	tick := time.NewTicker(CheckInterval)
 
 	select {
diff --git a/pkg/nexus/nexus.go b/pkg/nexus/nexus.go
index 84d4020..766eaaf 100644
--- a/pkg/nexus/nexus.go
+++ b/pkg/nexus/nexus.go
@@ -39,7 +39,7 @@ func New() *Nexus {
 }
 
 func (n *Nexus) Go(ctx context.Context) {
-	ctx = entities.CtxWithSubject(ctx, &entities.SystemServiceSubject{Name: "nexus"})
+	ctx = entities.CtxWithServiceSubject(ctx, "nexus")
 	for {
 		select {
 		case call, ok := <-n.callCh:
diff --git a/pkg/rbac/entities/entities.go b/pkg/rbac/entities/entities.go
index 293a9ca..62481a0 100644
--- a/pkg/rbac/entities/entities.go
+++ b/pkg/rbac/entities/entities.go
@@ -50,6 +50,10 @@ func CtxWithSubject(ctx context.Context, sub Subject) context.Context {
 	return context.WithValue(ctx, SubjectCtxKey, sub)
 }
 
+func CtxWithServiceSubject(ctx context.Context, name string) context.Context {
+	return CtxWithSubject(ctx, &SystemServiceSubject{Name: name})
+}
+
 type subjectContextKey string
 
 const SubjectCtxKey subjectContextKey = "sub"
diff --git a/pkg/shares/service.go b/pkg/shares/service.go
index 245b61d..65f4dfa 100644
--- a/pkg/shares/service.go
+++ b/pkg/shares/service.go
@@ -23,7 +23,7 @@ type service struct {
 }
 
 func (s *service) Go(ctx context.Context) {
-	ctx = entities.CtxWithSubject(ctx, &entities.SystemServiceSubject{Name: "share"})
+	ctx = entities.CtxWithServiceSubject(ctx, "share")
 
 	tick := time.NewTicker(PruneInterval)