diff --git a/libc/bionic/fts.c b/libc/bionic/fts.c
index 177652f..ec0baf7 100644
--- a/libc/bionic/fts.c
+++ b/libc/bionic/fts.c
@@ -51,6 +51,9 @@
 static u_short	 fts_stat(FTS *, FTSENT *, int);
 static int	 fts_safe_changedir(FTS *, FTSENT *, int, char *);
 
+#define ALIGNBYTES (sizeof(uintptr_t) - 1)
+#define ALIGN(p) (((uintptr_t)(p) + ALIGNBYTES) &~ ALIGNBYTES)
+
 #define	ISDOT(a)	(a[0] == '.' && (!a[1] || (a[1] == '.' && !a[2])))
 
 #define	CLR(opt)	(sp->fts_options &= ~(opt))