diff --git a/sys/contrib/dev/acpica/osunixxf.c b/sys/contrib/dev/acpica/osunixxf.c
index f5ce08f8cac6..5c2b89ad21e1 100644
--- a/sys/contrib/dev/acpica/osunixxf.c
+++ b/sys/contrib/dev/acpica/osunixxf.c
@@ -185,7 +185,15 @@ AcpiOsGetRootPointer (
     ACPI_POINTER           *Address)
 {
 
-    return (AeLocalGetRootPointer(Flags, Address));
+#if 0
+    /* The supporting code for this is not yet available.
+     * Return to the old situation for now.
+     */
+    return (AeLocalGetRootPointer(Flags, (ACPI_PHYSICAL_ADDRESS *)Address));
+#else
+    return (AE_OK);
+#endif
+
 }