diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 85f275cb75..71788a8f1e 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -28,6 +28,8 @@
 #include <fcntl.h>
 #include <time.h>
 #include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/msg.h>
 #include <sys/wait.h>
 #include <sys/time.h>
 #include <sys/stat.h>