diff --git a/libc/include/sys/linux-unistd.h b/libc/include/sys/linux-unistd.h
index d6f706b..116d047 100644
--- a/libc/include/sys/linux-unistd.h
+++ b/libc/include/sys/linux-unistd.h
@@ -12,7 +12,7 @@
 int              waitid (int, pid_t, struct siginfo_t*, int,void*);
 pid_t            __sys_clone (int, void*, int*, void*, int*);
 int              execve (const char*, char* const*, char* const*);
-int              setuid (uid_t);
+int              __setuid (uid_t);
 uid_t            getuid (void);
 gid_t            getgid (void);
 uid_t            geteuid (void);
@@ -26,8 +26,8 @@
 pid_t            setsid (void);
 int              setgid (gid_t);
 int              seteuid (uid_t);
-int              setreuid (uid_t, uid_t);
-int              setresuid (uid_t, uid_t, uid_t);
+int              __setreuid (uid_t, uid_t);
+int              __setresuid (uid_t, uid_t, uid_t);
 int              setresgid (gid_t, gid_t, gid_t);
 void*            __brk (void*);
 int              kill (pid_t, int);