diff --git a/src/add-ons/kernel/bus_managers/acpi/oshaiku.c b/src/add-ons/kernel/bus_managers/acpi/oshaiku.c
index 5277868978..75f1003d88 100644
--- a/src/add-ons/kernel/bus_managers/acpi/oshaiku.c
+++ b/src/add-ons/kernel/bus_managers/acpi/oshaiku.c
@@ -434,7 +434,7 @@ AcpiOsMapMemory(ACPI_PHYSICAL_ADDRESS where, ACPI_SIZE length)
 #ifdef _KERNEL_MODE
 	void *there;
 	area_id area = map_physical_memory("acpi_physical_mem_area", (void *)where,
-		length, B_ANY_KERNEL_BLOCK_ADDRESS,
+		length, B_ANY_KERNEL_ADDRESS,
 		B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA, &there);
 
 	DEBUG_FUNCTION_F("addr: 0x%08lx; length: %lu; mapped: %p; area: %ld",