diff --git a/sys/dev/acpica/acpi_hpet.c b/sys/dev/acpica/acpi_hpet.c
index 4ea5c8583b13..40e8676fceb3 100644
--- a/sys/dev/acpica/acpi_hpet.c
+++ b/sys/dev/acpica/acpi_hpet.c
@@ -476,7 +476,7 @@ hpet_attach(device_t dev)
 		sc->tc.tc_get_timecount = hpet_get_timecount,
 		sc->tc.tc_counter_mask = ~0u,
 		sc->tc.tc_name = "HPET",
-		sc->tc.tc_quality = 900,
+		sc->tc.tc_quality = 950,
 		sc->tc.tc_frequency = sc->freq;
 		sc->tc.tc_priv = sc;
 		tc_init(&sc->tc);
diff --git a/sys/dev/acpica/acpi_timer.c b/sys/dev/acpica/acpi_timer.c
index f4562067080b..17416838e9e4 100644
--- a/sys/dev/acpica/acpi_timer.c
+++ b/sys/dev/acpica/acpi_timer.c
@@ -203,7 +203,7 @@ acpi_timer_probe(device_t dev)
     if (j == 10) {
 	acpi_timer_timecounter.tc_name = "ACPI-fast";
 	acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount;
-	acpi_timer_timecounter.tc_quality = 1000;
+	acpi_timer_timecounter.tc_quality = 900;
     } else {
 	acpi_timer_timecounter.tc_name = "ACPI-safe";
 	acpi_timer_timecounter.tc_get_timecount = acpi_timer_get_timecount_safe;