diff --git a/numeric.c b/numeric.c
index d3977e4..332fec0 100644
--- a/numeric.c
+++ b/numeric.c
@@ -1544,7 +1544,7 @@ flo_round(int argc, VALUE *argv, VALUE num)
     }
     number  = RFLOAT_VALUE(num);
     if (ndigits == 0) {
-	return dbl2ival(number);
+	return dbl2ival(round(number));
     }
     frexp(number, &binexp);