diff --git a/src/header/sys_mman/cbindgen.toml b/src/header/sys_mman/cbindgen.toml
index 720c9641ff..eb433afb6a 100644
--- a/src/header/sys_mman/cbindgen.toml
+++ b/src/header/sys_mman/cbindgen.toml
@@ -1,4 +1,4 @@
-sys_includes = ["stdint.h", "sys/types.h"]
+sys_includes = ["stdarg.h", "stdint.h", "sys/types.h"]
 include_guard = "_SYS_MMAN_H"
 trailer = "#include <bits/sys/mman.h>"
 language = "C"