1 files changed, 2 insertions, 1 deletions
diff --git a/src/numeric.c b/src/numeric.c
index 562562340..98a60ed30 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -523,7 +523,8 @@ static mrb_value
 flo_round(mrb_state *mrb, mrb_value num)
 {
   double number, f;
-  int ndigits = 0, i;
+  mrb_int ndigits = 0;
+  int i;
 
   mrb_get_args(mrb, "|i", &ndigits);
   number = mrb_float(num);