diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 1a02e93d6126..e2e477798e4d 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -40,6 +40,7 @@
 #include <sys/resource.h>
 #include <sys/swap.h>
 #include <linux/capability.h>
+#include <linux/sockios.h>
 #include <sched.h>
 #include <sys/timex.h>
 #include <sys/socket.h>