diff --git a/linux/SELinuxMeter.c b/linux/SELinuxMeter.c
index 323c2a171..570d93a4a 100644
--- a/linux/SELinuxMeter.c
+++ b/linux/SELinuxMeter.c
@@ -85,8 +85,9 @@ const MeterClass SELinuxMeter_class = {
    },
    .updateValues = SELinuxMeter_updateValues,
    .defaultMode = TEXT_METERMODE,
+   .supportedModes = (1 << TEXT_METERMODE),
    .maxItems = 0,
-   .total = 100.0,
+   .total = 0.0,
    .attributes = SELinuxMeter_attributes,
    .name = "SELinux",
    .uiName = "SELinux",
diff --git a/linux/SystemdMeter.c b/linux/SystemdMeter.c
index 039e578db..a8df75e9e 100644
--- a/linux/SystemdMeter.c
+++ b/linux/SystemdMeter.c
@@ -408,8 +408,9 @@ const MeterClass SystemdMeter_class = {
    .updateValues = SystemdMeter_updateValues,
    .done = SystemdMeter_done,
    .defaultMode = TEXT_METERMODE,
+   .supportedModes = (1 << TEXT_METERMODE),
    .maxItems = 0,
-   .total = 100.0,
+   .total = 0.0,
    .attributes = SystemdMeter_attributes,
    .name = "Systemd",
    .uiName = "Systemd state",
@@ -426,8 +427,9 @@ const MeterClass SystemdUserMeter_class = {
    .updateValues = SystemdMeter_updateValues,
    .done = SystemdMeter_done,
    .defaultMode = TEXT_METERMODE,
+   .supportedModes = (1 << TEXT_METERMODE),
    .maxItems = 0,
-   .total = 100.0,
+   .total = 0.0,
    .attributes = SystemdMeter_attributes,
    .name = "SystemdUser",
    .uiName = "Systemd user state",