phluid61

diff --git a/range.c b/range.c
index ebd0811..8cb4da8 100644
--- a/range.c
+++ b/range.c
@@ -419,11 +419,21 @@ range_step(int argc, VALUE *argv, VALUE range)
        if (!rb_obj_is_kind_of(step, rb_cNumeric)) {
            step = rb_to_int(step);
        }
-       if (rb_funcall(step, '<', 1, INT2FIX(0))) {
-           rb_raise(rb_eArgError, "step can't be negative");