diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 40617c1d8976eb11a0328f85f6238841e9b35eb9..30520844b8dae4de881c042d2b61d68db831681b 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -433,6 +433,7 @@ asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg);
 asmlinkage long sys_fcntl64(unsigned int fd,
 				unsigned int cmd, unsigned long arg);
 #endif
+asmlinkage long sys_pipe2(int __user *fildes, int flags);
 asmlinkage long sys_dup(unsigned int fildes);
 asmlinkage long sys_dup2(unsigned int oldfd, unsigned int newfd);
 asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags);