1 files changed, 1 insertions, 1 deletions
diff --git a/src/gc.c b/src/gc.c
index 50269f95c..fd472217e 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -932,7 +932,7 @@ root_scan_phase(mrb_state *mrb, mrb_gc *gc)
 #ifndef MRB_NO_FLOAT
   mrb_gc_mark(mrb, (struct RBasic*)mrb->float_class);
 #endif
-  mrb_gc_mark(mrb, (struct RBasic*)mrb->fixnum_class);
+  mrb_gc_mark(mrb, (struct RBasic*)mrb->integer_class);
   mrb_gc_mark(mrb, (struct RBasic*)mrb->true_class);
   mrb_gc_mark(mrb, (struct RBasic*)mrb->false_class);
   mrb_gc_mark(mrb, (struct RBasic*)mrb->nil_class);