1 files changed, 1 insertions, 2 deletions
diff --git a/src/object.c b/src/object.c
index 4e479a119..44968a8cc 100644
--- a/src/object.c
+++ b/src/object.c
@@ -565,8 +565,7 @@ mrb_convert_to_integer(mrb_state *mrb, mrb_value val, int base)
   switch (mrb_type(val)) {
     case MRB_TT_FLOAT:
       if (base != 0) goto arg_error;
-      if (mrb_float(val) <= (double)FIXNUM_MAX
-          && mrb_float(val) >= (double)FIXNUM_MIN) {
+      if (FIXABLE(mrb_float(val))) {
           break;
       }
       return mrb_flt2big(mrb, mrb_float(val));