1 files changed, 1 insertions, 1 deletions

diff --git a/src/lj_ccall.c b/src/lj_ccall.c
index 3f548c30..a3908e50 100644
--- a/src/lj_ccall.c
+++ b/src/lj_ccall.c
@@ -315,7 +315,7 @@ static void ccall_struct_ret(CCallState *cc, int *rcl, uint8_t *dp, CTSize sz)
 /* Infer the destination CTypeID for a vararg argument. */
 static CTypeID ccall_ctid_vararg(CTState *cts, cTValue *o)
 {
-  if (tvisnum(o)) {
+  if (tvisnumber(o)) {
     return CTID_DOUBLE;
   } else if (tviscdata(o)) {
     CTypeID id = cdataV(o)->typeid;