diff --git a/src/network/net_rtl8139.c b/src/network/net_rtl8139.c
index 335e3297a..0b00d589a 100644
--- a/src/network/net_rtl8139.c
+++ b/src/network/net_rtl8139.c
@@ -352,7 +352,8 @@ enum chip_flags {
 #define RTL8139_PCI_REVID_8139      0x10
 #define RTL8139_PCI_REVID_8139CPLUS 0x20
 
-#define RTL8139_PCI_REVID           RTL8139_PCI_REVID_8139CPLUS
+/* Return 0x10 - the RTL8139C+ datasheet and Windows 2000 driver both confirm this. */
+#define RTL8139_PCI_REVID           RTL8139_PCI_REVID_8139
 
 #pragma pack(push, 1)
 typedef struct RTL8139TallyCounters {
@@ -3111,7 +3112,7 @@ rtl8139_pci_read(UNUSED(int func), int addr, void *priv)
         case 0x05:
             return s->pci_conf[addr & 0xFF] & 1;
         case 0x08:
-            return 0x10;
+            return RTL8139_PCI_REVID;
         case 0x09:
             return 0x0;
         case 0x0a: