diff --git a/README.md b/README.md
index 2f93b8b..8464fd9 100644
--- a/README.md
+++ b/README.md
@@ -14,8 +14,8 @@ This exporter currently exposes the following metrics:
 | livebox_devices_total                   | gauge | The total number of active devices                | type      | No           |
 | livebox_deviceinfo_reboots_total        | gauge | Number of Livebox reboots                         |           | No           |
 | livebox_deviceinfo_uptime_seconds_total | gauge | Livebox current uptime                            |           | No           |
-| livebox_deviceinfo_memory_total_mbytes  | gauge | Livebox system total memory                       |           | No           |
-| livebox_deviceinfo_memory_usage_mbytes  | gauge | Livebox system used memory                        |           | No           |
+| livebox_deviceinfo_memory_total_bytes   | gauge | Livebox system total memory                       |           | No           |
+| livebox_deviceinfo_memory_usage_bytes   | gauge | Livebox system used memory                        |           | No           |
 | livebox_interface_homelan_rx_mbits      | gauge | Received Mbits per second                         | interface | Yes          |
 | livebox_interface_homelan_tx_mbits      | gauge | Transmitted Mbits per second                      | interface | Yes          |
 | livebox_interface_netdev_rx_mbits       | gauge | Received Mbits per second                         | interface | Yes          |
diff --git a/internal/collector/deviceinfo.go b/internal/collector/deviceinfo.go
index 3f990d8..e317cfc 100644
--- a/internal/collector/deviceinfo.go
+++ b/internal/collector/deviceinfo.go
@@ -36,12 +36,12 @@ func NewDeviceInfo(client livebox.Client) *DeviceInfo {
 			nil, nil,
 		),
 		memoryTotalMetric: prometheus.NewDesc(
-			"livebox_deviceinfo_memory_total_mbytes",
+			"livebox_deviceinfo_memory_total_bytes",
 			"Livebox system total memory.",
 			nil, nil,
 		),
 		memoryUsageMetric: prometheus.NewDesc(
-			"livebox_deviceinfo_memory_usage_mbytes",
+			"livebox_deviceinfo_memory_usage_bytes",
 			"Livebox system used memory.",
 			nil, nil,
 		),
@@ -79,8 +79,8 @@ func (d *DeviceInfo) memoryStatus(c chan<- prometheus.Metric) {
 		return
 	}
 
-	c <- prometheus.MustNewConstMetric(d.memoryTotalMetric, prometheus.GaugeValue, memoryStatus.Status.Total)
-	c <- prometheus.MustNewConstMetric(d.memoryUsageMetric, prometheus.GaugeValue, memoryStatus.Status.Total-memoryStatus.Status.Free)
+	c <- prometheus.MustNewConstMetric(d.memoryTotalMetric, prometheus.GaugeValue, 1000*memoryStatus.Status.Total)
+	c <- prometheus.MustNewConstMetric(d.memoryUsageMetric, prometheus.GaugeValue, 1000*(memoryStatus.Status.Total-memoryStatus.Status.Free))
 }
 
 // Collect collects all DeviceInfo metrics.