diff --git a/src/add-ons/kernel/bus_managers/acpi/acpica/include/platform/achaiku.h b/src/add-ons/kernel/bus_managers/acpi/acpica/include/platform/achaiku.h
index 638b7f9440..fb8762397b 100644
--- a/src/add-ons/kernel/bus_managers/acpi/acpica/include/platform/achaiku.h
+++ b/src/add-ons/kernel/bus_managers/acpi/acpica/include/platform/achaiku.h
@@ -146,6 +146,10 @@ struct mutex;
 #define ACPI_MACHINE_WIDTH          64
 #else
 #define ACPI_MACHINE_WIDTH          32
+/* TODO: Temporary fix for #12377
+    Use 32 bit addresses to match addr_t for now.
+*/
+#define ACPI_32BIT_PHYSICAL_ADDRESS
 #endif