1 files changed, 3 insertions, 3 deletions
diff --git a/src/gc.c b/src/gc.c
index 17f7e81e4..50269f95c 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -122,7 +122,7 @@ typedef struct {
     struct RException exc;
     struct RBreak brk;
 #ifdef MRB_WORD_BOXING
-#ifndef MRB_WITHOUT_FLOAT
+#ifndef MRB_NO_FLOAT
     struct RFloat floatv;
 #endif
     struct RCptr cptr;
@@ -784,7 +784,7 @@ obj_free(mrb_state *mrb, struct RBasic *obj, int end)
     /* cannot happen */
     return;
 
-#ifndef MRB_WITHOUT_FLOAT
+#ifndef MRB_NO_FLOAT
   case MRB_TT_FLOAT:
 #ifdef MRB_WORD_BOXING
     break;
@@ -929,7 +929,7 @@ root_scan_phase(mrb_state *mrb, mrb_gc *gc)
   mrb_gc_mark(mrb, (struct RBasic*)mrb->hash_class);
   mrb_gc_mark(mrb, (struct RBasic*)mrb->range_class);
 
-#ifndef MRB_WITHOUT_FLOAT
+#ifndef MRB_NO_FLOAT
   mrb_gc_mark(mrb, (struct RBasic*)mrb->float_class);
 #endif
   mrb_gc_mark(mrb, (struct RBasic*)mrb->fixnum_class);