diff --git a/src/jit/bcsave.lua b/src/jit/bcsave.lua
index 1fe9d389..38fc61f9 100644
--- a/src/jit/bcsave.lua
+++ b/src/jit/bcsave.lua
@@ -200,7 +200,7 @@ typedef struct {
 ]]
   local symname = LJBC_PREFIX..ctx.modname
   local is64, isbe = false, false
-  if ctx.arch == "x64" then
+  if ctx.arch == "x64" or ctx.arch == "arm64" then
     is64 = true
   elseif ctx.arch == "ppc" or ctx.arch == "mips" then
     isbe = true