--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -2967,7 +2967,7 @@
     }
     prw->power_res_count = power_count;
     for (i = 0; i < power_count; i++)
-	prw->power_res[i] = res->Package.Elements[i];
+	prw->power_res[i] = res->Package.Elements[i + 2];
 
 out:
     if (prw_buffer.Pointer != NULL)