diff --git a/util/fifo8.c b/util/fifo8.c
index 0ea5ad9..5c64101 100644
--- a/util/fifo8.c
+++ b/util/fifo8.c
@@ -12,6 +12,7 @@
  * with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
 #include "qemu-common.h"
 #include "qemu/fifo8.h"