diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 2af8888f0a..a54a468c0a 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -437,13 +437,25 @@ static void pc_i440fx_machine_options(MachineClass *m)
     m->default_display = "std";
 }
 
-static void pc_i440fx_2_7_machine_options(MachineClass *m)
+static void pc_i440fx_2_8_machine_options(MachineClass *m)
 {
     pc_i440fx_machine_options(m);
     m->alias = "pc";
     m->is_default = 1;
 }
 
+DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL,
+                      pc_i440fx_2_8_machine_options);
+
+
+static void pc_i440fx_2_7_machine_options(MachineClass *m)
+{
+    pc_i440fx_2_8_machine_options(m);
+    m->is_default = 0;
+    m->alias = NULL;
+    SET_MACHINE_COMPAT(m, PC_COMPAT_2_7);
+}
+
 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL,
                       pc_i440fx_2_7_machine_options);
 
@@ -452,8 +464,6 @@ static void pc_i440fx_2_6_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_2_7_machine_options(m);
-    m->is_default = 0;
-    m->alias = NULL;
     pcmc->legacy_cpu_hotplug = true;
     SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
 }
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 3cbcbb0c7e..0b214f24c9 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -293,12 +293,22 @@ static void pc_q35_machine_options(MachineClass *m)
     m->has_dynamic_sysbus = true;
 }
 
-static void pc_q35_2_7_machine_options(MachineClass *m)
+static void pc_q35_2_8_machine_options(MachineClass *m)
 {
     pc_q35_machine_options(m);
     m->alias = "q35";
 }
 
+DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
+                   pc_q35_2_8_machine_options);
+
+static void pc_q35_2_7_machine_options(MachineClass *m)
+{
+    pc_q35_2_8_machine_options(m);
+    m->alias = NULL;
+    SET_MACHINE_COMPAT(m, PC_COMPAT_2_7);
+}
+
 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
                    pc_q35_2_7_machine_options);
 
@@ -306,7 +316,6 @@ static void pc_q35_2_6_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_q35_2_7_machine_options(m);
-    m->alias = NULL;
     pcmc->legacy_cpu_hotplug = true;
     SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
 }
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index c4316c30a8..8ad6f15b3e 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -368,6 +368,9 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
 int e820_get_num_entries(void);
 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
 
+#define PC_COMPAT_2_7 \
+    HW_COMPAT_2_7
+
 #define PC_COMPAT_2_6 \
     HW_COMPAT_2_6 \
     {\