diff --git a/include/sys/epoll.h b/include/sys/epoll.h
index e9f9405467a..06fdfca9e79 100644
--- a/include/sys/epoll.h
+++ b/include/sys/epoll.h
@@ -84,6 +84,8 @@ enum EPOLL_EVENTS
 #define EPOLLWAKEUP EPOLLWAKEUP
     EPOLLONESHOT = 1u << 30,
 #define EPOLLONESHOT EPOLLONESHOT
+    EPOLLET = 1u << 31,
+#define EPOLLET EPOLLET
   };
 
 /* Flags to be passed to epoll_create1.  */