1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib_ffi.c b/src/lib_ffi.c
index f2f2ede4..83483d95 100644
--- a/src/lib_ffi.c
+++ b/src/lib_ffi.c
@@ -193,7 +193,7 @@ LJLIB_CF(ffi_meta___eq)		LJLIB_REC(cdata_arith MM_eq)
 
 LJLIB_CF(ffi_meta___len)        LJLIB_REC(cdata_arith MM_len)
 {
-  return ffi_arith(L);
+  return lj_carith_len(L);
 }
 
 LJLIB_CF(ffi_meta___lt)         LJLIB_REC(cdata_arith MM_lt)