diff --git a/src/driver/acpi.c b/src/driver/acpi.c
index b318e8c..d43be31 100644
--- a/src/driver/acpi.c
+++ b/src/driver/acpi.c
@@ -86,6 +86,12 @@ NTSTATUS find_acpi_table ( PCHAR signature,
 			   "\"%.6s\" OEM table ID \"%.8s\"\n", signature,
 			   ( BASEMEM_START + offset ), table->oem_id,
 			   table->oem_table_id );
+		/* Warn about use of unsupported software */
+		if ( strcmp ( table->oem_table_id, "gPXE" ) == 0 ) {
+			DbgPrint ( "*** WARNING: gPXE is no longer supported; "
+				   "please upgrade to iPXE (http://ipxe.org) "
+				   "***\n" );
+		}
 		/* Create copy of table */
 		*table_copy = ExAllocatePoolWithTag ( NonPagedPool,
 						      table->length,