Index: sys/dev/acpica/acpi.c
===================================================================
--- sys/dev/acpica/acpi.c
+++ sys/dev/acpica/acpi.c
@@ -667,7 +667,7 @@
     sc->acpi_sleep_disabled = TRUE;
 
     /* Create the control device */
-    sc->acpi_dev_t = make_dev(&acpi_cdevsw, 0, UID_ROOT, GID_WHEEL, 0644,
+    sc->acpi_dev_t = make_dev(&acpi_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0664,
 			      "acpi");
     sc->acpi_dev_t->si_drv1 = sc;