diff --git a/libc/include/bits/glibc-syscalls.h b/libc/include/bits/glibc-syscalls.h
index 8c8e65c..d17dc12 100644
--- a/libc/include/bits/glibc-syscalls.h
+++ b/libc/include/bits/glibc-syscalls.h
@@ -303,6 +303,9 @@
 #if defined(__NR_futex_time64)
   #define SYS_futex_time64 __NR_futex_time64
 #endif
+#if defined(__NR_futex_waitv)
+  #define SYS_futex_waitv __NR_futex_waitv
+#endif
 #if defined(__NR_futimesat)
   #define SYS_futimesat __NR_futimesat
 #endif