diff --git a/ctl/server.go b/ctl/server.go
index ce9796b13..250902fd1 100644
--- a/ctl/server.go
+++ b/ctl/server.go
@@ -111,6 +111,6 @@ func BuildServerFlags(cmd *cobra.Command, srv *server.Command) {
 	flags.Uint32Var(&srv.Config.Postgres.MaxStartupSize, "postgres.max-startup-size", srv.Config.Postgres.MaxStartupSize, "Maximum acceptable size of a postgres startup packet, in bytes. (set 0 to disable)")
 	flags.Uint16Var(&srv.Config.Postgres.ConnectionLimit, "postgres.connection-limit", srv.Config.Postgres.ConnectionLimit, "Maximum number of simultaneous postgres connections to allow. (set 0 to disable)")
 
-	// Disk Usage refresh rate in minutes for ui/usage http endpoint
-	flags.DurationVar((*time.Duration)(&srv.Config.DiskUsage.Interval), "disk-usage-interval", time.Duration(srv.Config.DiskUsage.Interval), "Number in minutes between recalculations of disk usage cache")
+	// Disk/Memory Usage refresh rate in minutes for ui/usage http endpoint
+	flags.DurationVar((*time.Duration)(&srv.Config.Usage.Interval), "usage-interval", time.Duration(srv.Config.Usage.Interval), "Number in minutes between recalculations of disk/memory usage cache")
 }
diff --git a/server/config.go b/server/config.go
index 837226b24..7871364db 100644
--- a/server/config.go
+++ b/server/config.go
@@ -226,8 +226,8 @@ type Config struct {
 	LookupDBDSN string `toml:"lookup-db-dsn"`
 
 	// Disk Usage refresh interval for ui/usage http endpoint
-	DiskUsage struct {
-		Interval toml.Duration `toml:"disk-usage-interval"`
+	Usage struct {
+		Interval toml.Duration `toml:"usage-interval"`
 	}
 }
 
@@ -364,7 +364,7 @@ func NewConfig() *Config {
 	c.Etcd.PeerCertFile = ""
 	c.Etcd.PeerKeyFile = ""
 
-	c.DiskUsage.Interval = toml.Duration(6 * 60 * time.Minute) // 6 hours
+	c.Usage.Interval = toml.Duration(6 * 60 * time.Minute) // 6 hours
 
 	return c
 }
diff --git a/server/server.go b/server/server.go
index 5635d2089..a8d5ecfc4 100644
--- a/server/server.go
+++ b/server/server.go
@@ -277,7 +277,7 @@ func (m *Command) Start() (err error) {
 		}
 	}
 
-	go m.API.RefreshUsageCache(time.Duration(m.Config.DiskUsage.Interval))
+	go m.API.RefreshUsageCache(time.Duration(m.Config.Usage.Interval))
 
 	_ = testhook.Opened(pilosa.NewAuditor(), m, nil)
 	close(m.Started)