diff --git a/libc/arch-arm64/syscalls/mmap.S b/libc/arch-arm64/syscalls/mmap.S
index 64b955e..65371bc 100644
--- a/libc/arch-arm64/syscalls/mmap.S
+++ b/libc/arch-arm64/syscalls/mmap.S
@@ -13,5 +13,4 @@
     ret
 END(mmap)
 
-    .globl mmap64
-    .equ mmap64, mmap
+ALIAS_SYMBOL(mmap64, mmap)