--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -16,5 +16,6 @@
  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 #define _ATFILE_SOURCE
+#define _LINUX_SYSINFO_H /* to avoid duplicated sysinfo struct definition */
 #include "qemu/osdep.h"
 #include "qemu/cutils.h"
 #include "qemu/path.h"
