diff --git a/libc/arch-aarch64/syscalls/mmap.S b/libc/arch-aarch64/syscalls/mmap.S
index d9abd41..a2d181a 100644
--- a/libc/arch-aarch64/syscalls/mmap.S
+++ b/libc/arch-aarch64/syscalls/mmap.S
@@ -19,3 +19,6 @@
 
     ret
 END(mmap)
+
+    .globl _C_LABEL(mmap64)
+    .equ _C_LABEL(mmap64), _C_LABEL(mmap)