diff --git a/hw/ppc/mpc8544_guts.c b/hw/ppc/mpc8544_guts.c
index a10abe9..ce399d1 100644
--- a/hw/ppc/mpc8544_guts.c
+++ b/hw/ppc/mpc8544_guts.c
@@ -17,6 +17,7 @@
  *
  */
 
+#include "qemu/osdep.h"
 #include "hw/hw.h"
 #include "sysemu/sysemu.h"
 #include "hw/sysbus.h"