1 files changed, 1 insertions, 1 deletions
diff --git a/gc.c b/gc.c
index 577d4c59da..a5e941f1c8 100644
--- a/gc.c
+++ b/gc.c
@@ -1510,7 +1510,7 @@ gc_mark_children(rb_objspace_t *objspace, VALUE ptr, int lev)
         if (obj->as.file.fptr) {
             gc_mark(objspace, obj->as.file.fptr->pathv, lev);
             gc_mark(objspace, obj->as.file.fptr->tied_io_for_writing, lev);
-            gc_mark(objspace, obj->as.file.fptr->writeconv_stateless, lev);
+            gc_mark(objspace, obj->as.file.fptr->writeconv_asciicompat, lev);
             gc_mark(objspace, obj->as.file.fptr->writeconv_pre_ecopts, lev);
             gc_mark(objspace, obj->as.file.fptr->encs.ecopts, lev);
         }