diff --git a/sys/dev/acpica/acpi_thermal.c b/sys/dev/acpica/acpi_thermal.c
index 515a742..b64d8df 100644
--- a/sys/dev/acpica/acpi_thermal.c
+++ b/sys/dev/acpica/acpi_thermal.c
@@ -257,10 +257,10 @@ acpi_tz_attach(device_t dev)
     sc->tz_sysctl_tree = SYSCTL_ADD_NODE(&sc->tz_sysctl_ctx,
 					 SYSCTL_CHILDREN(acpi_tz_sysctl_tree),
 					 OID_AUTO, oidname, CTLFLAG_RD, 0, "");
-    SYSCTL_ADD_OPAQUE(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
-		      OID_AUTO, "temperature", CTLFLAG_RD, &sc->tz_temperature,
-		      sizeof(sc->tz_temperature), "IK",
-		      "current thermal zone temperature");
+    SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
+		    OID_AUTO, "temperature", CTLTYPE_INT | CTLFLAG_RD,
+		    &sc->tz_temperature, 0, sysctl_handle_int,
+		    "IK", "current thermal zone temperature");
     SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
 		    OID_AUTO, "active", CTLTYPE_INT | CTLFLAG_RW,
 		    sc, 0, acpi_tz_active_sysctl, "I", "cooling is active");
@@ -286,9 +286,9 @@ acpi_tz_attach(device_t dev)
 		    sc, offsetof(struct acpi_tz_softc, tz_zone.crt),
 		    acpi_tz_temp_sysctl, "IK",
 		    "critical temp setpoint (shutdown now)");
-    SYSCTL_ADD_OPAQUE(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
-		      OID_AUTO, "_ACx", CTLFLAG_RD, &sc->tz_zone.ac,
-		      sizeof(sc->tz_zone.ac), "IK", "");
+    SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
+		    OID_AUTO, "_ACx", CTLTYPE_INT | CTLFLAG_RD,
+		    &sc->tz_zone.ac, 0, sysctl_handle_int, "IK", "");
     SYSCTL_ADD_PROC(&sc->tz_sysctl_ctx, SYSCTL_CHILDREN(sc->tz_sysctl_tree),
 		    OID_AUTO, "_TC1", CTLTYPE_INT | CTLFLAG_RW,
 		    sc, offsetof(struct acpi_tz_softc, tz_zone.tc1),