1 files changed, 2 insertions, 1 deletions

diff --git a/src/lj_record.c b/src/lj_record.c
index bafb6ff7..1beaa75f 100644
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -1611,7 +1611,8 @@ static TRef rec_cat(jit_State *J, BCReg baseslot, BCReg topslot)
     /* First convert numbers to strings. */
     for (trp = top; trp >= base; trp--) {
       if (tref_isnumber(*trp))
-        *trp = emitir(IRT(IR_TOSTR, IRT_STR), *trp, 0);
+        *trp = emitir(IRT(IR_TOSTR, IRT_STR), *trp,
+                      tref_isnum(*trp) ? IRTOSTR_NUM : IRTOSTR_INT);
       else if (!tref_isstr(*trp))
         break;
     }