diff --git a/src/machine/machine_table.c b/src/machine/machine_table.c
index a0222ccba..3b0667b6f 100644
--- a/src/machine/machine_table.c
+++ b/src/machine/machine_table.c
@@ -285,7 +285,7 @@ const machine_t machines[] = {
     { "[i430FX] PC Partner MB500N",		"mb500n",		MACHINE_TYPE_SOCKET5,		CPU_PKG_SOCKET5_7, 0, 50000000, 66666667, 3380, 3520, 1.5, 3.0,							MACHINE_PCI | MACHINE_IDE_DUAL,							 8192, 131072, 8192, 127,	       machine_at_mb500n_init, NULL			},
 
     /* OPTi 596/597 */
-    { "[OPTi 597] TMC PAT54PV",			"pat54pv",		MACHINE_TYPE_SOCKET5,		CPU_PKG_SOCKET5_7, 0, 60000000, 66666667, 3520, 3520, 1.5, 1.5,							MACHINE_VLB,									 2048,  65536, 2048, 127,	      machine_at_pat54pv_init, NULL			},
+    { "[OPTi 597] TMC PAT54PV",		"pat54pv",		MACHINE_TYPE_SOCKET5,		CPU_PKG_SOCKET5_7, CPU_BLOCK(CPU_K5, CPU_5K86), 60000000, 66666667, 3520, 3520, 1.5, 1.5,				MACHINE_VLB,									 2048,  65536, 2048, 127,	      machine_at_pat54pv_init, NULL			},
     
     /* OPTi 596/597/822 */
     { "[OPTi 597] Shuttle HOT-543",		"hot543",		MACHINE_TYPE_SOCKET5,		CPU_PKG_SOCKET5_7, 0, 60000000, 66666667, 3520, 3520, 1.5, 1.5,							MACHINE_PCI | MACHINE_VLB,				 8192, 131072, 8192, 127,		machine_at_hot543_init, NULL			},