diff --git a/qemu-tool.c b/qemu-tool.c
index c73bf7152e0a8f9a86895a84037cc154e7064f98..6b69668258da748f25536bc3c1d5c06a2b017768 100644
--- a/qemu-tool.c
+++ b/qemu-tool.c
@@ -59,12 +59,12 @@ void monitor_protocol_event(MonitorEvent event, QObject *data)
 {
 }
 
-int64 cpu_get_clock(void)
+int64_t cpu_get_clock(void)
 {
     abort();
 }
 
-int64 cpu_get_icount(void)
+int64_t cpu_get_icount(void)
 {
     abort();
 }