1 files changed, 1 insertions, 1 deletions

diff --git a/src/vm_x86.dasc b/src/vm_x86.dasc
index f25dfd30..13f4cdaa 100644
--- a/src/vm_x86.dasc
+++ b/src/vm_x86.dasc
@@ -4652,7 +4652,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
     |
     |2:  // Upvalue is black. Check if new value is collectable and white.
     |  sub RD, LJ_TISGCV
-    |  cmp RD, LJ_TISNUM - LJ_TISGCV                    // tvisgcv(v)
+    |  cmp RD, LJ_TNUMX - LJ_TISGCV                     // tvisgcv(v)
     |  jbe <1
     |  test byte GCOBJ:RA->gch.marked, LJ_GC_WHITES     // iswhite(v)
     |  jz <1