diff --git a/include/sched.h b/include/sched.h
index 7e88f097..af82d6c9 100644
--- a/include/sched.h
+++ b/include/sched.h
@@ -59,6 +59,7 @@ int     sched_yield(void);
 #define CLONE_DETACHED	0x00400000
 #define CLONE_UNTRACED	0x00800000
 #define CLONE_CHILD_SETTID	0x01000000
+#define CLONE_NEWCGROUP	0x02000000
 #define CLONE_NEWUTS	0x04000000
 #define CLONE_NEWIPC	0x08000000
 #define CLONE_NEWUSER	0x10000000