diff --git a/lib/libc/aarch64/string/memcpy.S b/lib/libc/aarch64/string/memcpy.S
--- a/lib/libc/aarch64/string/memcpy.S
+++ b/lib/libc/aarch64/string/memcpy.S
@@ -1,6 +1,6 @@
-#define	__memcpy_aarch64	memcpy
-#define	__memmove_aarch64	memmove
-#include "aarch64/memcpy.S"
+#define	__memcpy_aarch64_simd	memcpy
+#define	__memmove_aarch64_simd	memmove
+#include "aarch64/memcpy-advsimd.S"
 
 .weak index
 .equ index, strchr