diff --git a/disas/arm-a64.cc b/disas/arm-a64.cc
index d4d46d5ff3..9280950ce3 100644
--- a/disas/arm-a64.cc
+++ b/disas/arm-a64.cc
@@ -17,12 +17,13 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "vixl/a64/disasm-a64.h"
-
 extern "C" {
+#include "qemu/osdep.h"
 #include "disas/bfd.h"
 }
 
+#include "vixl/a64/disasm-a64.h"
+
 using namespace vixl;
 
 static Decoder *vixl_decoder = NULL;