1 files changed, 1 insertions, 1 deletions

diff --git a/src/lj_ircall.h b/src/lj_ircall.h
index bdcfea0b..9e1fb367 100644
--- a/src/lj_ircall.h
+++ b/src/lj_ircall.h
@@ -203,7 +203,7 @@ typedef struct CCallInfo {
   _(FFI,        lj_carith_powi64,       2,   N, I64, XA2_64|CCI_NOFPRCLOBBER) \
   _(FFI,        lj_carith_powu64,       2,   N, U64, XA2_64|CCI_NOFPRCLOBBER) \
   _(FFI,        lj_cdata_newv,          4,   S, CDATA, CCI_L) \
-  _(FFI,        lj_cdata_setfin,        2,  FN, P32, CCI_L) \
+  _(FFI,        lj_cdata_setfin,        4,   S, NIL, CCI_L) \
   _(FFI,        strlen,                 1,   L, INTP, 0) \
   _(FFI,        memcpy,                 3,   S, PTR, 0) \
   _(FFI,        memset,                 3,   S, PTR, 0) \