diff --git a/usr/include/arch/mips/klibc/archfcntl.h b/usr/include/arch/mips/klibc/archfcntl.h
index 1f61822..2e57116 100644
--- a/usr/include/arch/mips/klibc/archfcntl.h
+++ b/usr/include/arch/mips/klibc/archfcntl.h
@@ -31,6 +31,7 @@
 #define O_DIRECTORY	0x10000
 #define O_NOFOLLOW	0x20000
 #define O_NOATIME	0x40000
+#define O_CLOEXEC	0x80000
 
 #define O_NDELAY	O_NONBLOCK