1 files changed, 1 insertions, 1 deletions
diff --git a/numeric.c b/numeric.c
index ab8dde52f4..224b5c7dc2 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1018,7 +1018,7 @@ num_negative_p(VALUE num)
 VALUE
 rb_float_new_in_heap(double d)
 {
-    NEWOBJ_OF(flt, struct RFloat, rb_cFloat, T_FLOAT | (RGENGC_WB_PROTECTED_FLOAT ? FL_WB_PROTECTED : 0));
+    NEWOBJ_OF(flt, struct RFloat, rb_cFloat, T_FLOAT | (RGENGC_WB_PROTECTED_FLOAT ? FL_WB_PROTECTED : 0), sizeof(struct RFloat), 0);
 
 #if SIZEOF_DOUBLE <= SIZEOF_VALUE
     flt->float_value = d;