diff --git a/src/add-ons/kernel/bus_managers/acpi/tables/tbutils.c b/src/add-ons/kernel/bus_managers/acpi/tables/tbutils.c
index 0959ab25a5..03f3b11892 100644
--- a/src/add-ons/kernel/bus_managers/acpi/tables/tbutils.c
+++ b/src/add-ons/kernel/bus_managers/acpi/tables/tbutils.c
@@ -620,6 +620,19 @@ AcpiTbParseRootTable (
          */
         Address = (ACPI_PHYSICAL_ADDRESS) Rsdp->XsdtPhysicalAddress;
         TableEntrySize = sizeof (UINT64);
+
+#if ACPI_MACHINE_WIDTH == 32
+        if (Rsdp->XsdtPhysicalAddress > ACPI_UINT32_MAX)
+        {
+            /* Will truncate 64-bit address to 32 bits, issue warning */
+
+            ACPI_WARNING ((AE_INFO,
+                "64-bit Physical Address in XSDT is too large (%8.8X%8.8X),"
+                " truncating",
+                ACPI_FORMAT_UINT64 (Rsdp->XsdtPhysicalAddress)));
+        }
+#endif
+
     }
     else
     {