1 files changed, 2 insertions, 1 deletions

diff --git a/src/lj_cdata.c b/src/lj_cdata.c
index d01cf62a..497b84ee 100644
--- a/src/lj_cdata.c
+++ b/src/lj_cdata.c
@@ -55,7 +55,8 @@ void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd)
 {
   if (LJ_UNLIKELY(cd->marked & LJ_GC_CDATA_FIN)) {
     GCobj *root;
-    cd->marked = curwhite(g) | LJ_GC_FINALIZED;
+    makewhite(g, obj2gco(cd));
+    obj2gco(cd)->gch.marked |= LJ_GC_FINALIZED;
     if ((root = gcref(g->gc.mmudata)) != NULL) {
       setgcrefr(cd->nextgc, root->gch.nextgc);
       setgcref(root->gch.nextgc, obj2gco(cd));