diff --git a/util/generate_build_files.py b/util/generate_build_files.py
index 386910b..2dae9cd 100644
--- a/util/generate_build_files.py
+++ b/util/generate_build_files.py
@@ -45,12 +45,16 @@
 # NON_PERL_FILES enumerates assembly files that are not processed by the
 # perlasm system.
 NON_PERL_FILES = {
+    ('apple', 'x86_64'): [
+        'src/crypto/curve25519/asm/fiat_curve25519_adx.S',
+    ],
     ('linux', 'arm'): [
         'src/crypto/curve25519/asm/x25519-asm-arm.S',
         'src/crypto/poly1305/poly1305_arm_asm.S',
     ],
     ('linux', 'x86_64'): [
         'src/crypto/hrss/asm/poly_rq_mul.S',
+        'src/crypto/curve25519/asm/fiat_curve25519_adx.S',
     ],
 }