diff --git a/libc/include/sys/linux-unistd.h b/libc/include/sys/linux-unistd.h
index b0e7822..27db2a9 100644
--- a/libc/include/sys/linux-unistd.h
+++ b/libc/include/sys/linux-unistd.h
@@ -192,6 +192,7 @@
 int              init_module (void *, unsigned long, const char *);
 int              delete_module (const char*, unsigned int);
 int              klogctl (int, char *, int);
+int              sysinfo (struct sysinfo *);
 int              futex (void *, int, int, void *, void *, int);
 int              epoll_create (int size);
 int              epoll_ctl (int epfd, int op, int fd, struct epoll_event *event);