diff --git a/hw/pc.c b/hw/pc.c
index 1cf47d637..bb78f0bce 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -456,8 +456,6 @@ static void bochs_bios_write(void *opaque, uint32_t addr, uint32_t val)
     }
 }
 
-extern uint64_t node_cpumask[MAX_NODES];
-
 static void *bochs_bios_init(void)
 {
     void *fw_cfg;
diff --git a/sysemu.h b/sysemu.h
index a96b16879..644a97d62 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -138,6 +138,7 @@ extern int boot_menu;
 #define MAX_NODES 64
 extern int nb_numa_nodes;
 extern uint64_t node_mem[MAX_NODES];
+extern uint64_t node_cpumask[MAX_NODES];
 
 #define MAX_OPTION_ROMS 16
 extern const char *option_rom[MAX_OPTION_ROMS];