diff --git a/libc/arch-x86_64/syscalls/ftruncate.S b/libc/arch-x86_64/syscalls/ftruncate.S
index 0365368..7917468 100644
--- a/libc/arch-x86_64/syscalls/ftruncate.S
+++ b/libc/arch-x86_64/syscalls/ftruncate.S
@@ -14,5 +14,4 @@
     ret
 END(ftruncate)
 
-    .globl ftruncate64
-    .equ ftruncate64, ftruncate
+ALIAS_SYMBOL(ftruncate64, ftruncate)