diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index c6ff982..8f80425 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -174,7 +174,7 @@
 static void kvm_apic_init(APICCommonState *s)
 {
     memory_region_init_io(&s->io_memory, &kvm_apic_io_ops, s, "kvm-apic-msi",
-                          MSI_SPACE_SIZE);
+                          APIC_SPACE_SIZE);
 
     if (kvm_has_gsi_routing()) {
         msi_supported = true;
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index 2d79a9e..756dff0 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -874,7 +874,7 @@
 static void apic_init(APICCommonState *s)
 {
     memory_region_init_io(&s->io_memory, &apic_io_ops, s, "apic-msi",
-                          MSI_SPACE_SIZE);
+                          APIC_SPACE_SIZE);
 
     s->timer = qemu_new_timer_ns(vm_clock, apic_timer, s);
     local_apics[s->idx] = s;
diff --git a/hw/xen/xen_apic.c b/hw/xen/xen_apic.c
index a2eb8a1..a958782 100644
--- a/hw/xen/xen_apic.c
+++ b/hw/xen/xen_apic.c
@@ -39,7 +39,7 @@
 static void xen_apic_init(APICCommonState *s)
 {
     memory_region_init_io(&s->io_memory, &xen_apic_io_ops, s, "xen-apic-msi",
-                          MSI_SPACE_SIZE);
+                          APIC_SPACE_SIZE);
 
 #if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \
     && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h
index 578241f..aac6290 100644
--- a/include/hw/i386/apic_internal.h
+++ b/include/hw/i386/apic_internal.h
@@ -66,8 +66,6 @@
 
 #define MAX_APICS 255
 
-#define MSI_SPACE_SIZE                  0x100000
-
 typedef struct APICCommonState APICCommonState;
 
 #define TYPE_APIC_COMMON "apic-common"
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index a1614e8..ab151d5 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -1270,5 +1270,6 @@
 void enable_compat_apic_id_mode(void);
 
 #define APIC_DEFAULT_ADDRESS 0xfee00000
+#define APIC_SPACE_SIZE      0x100000
 
 #endif /* CPU_I386_H */