diff --git a/ChangeLog b/ChangeLog
index cb2ce2cd02..c25f72594c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri May  2 17:29:59 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* range.c (range_step): call to_int if step is not a numeric
+	  value.  [ruby-dev:34575]
+
 Fri May  2 16:10:57 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* range.c (range_step): do not forcefully convert steps into
diff --git a/range.c b/range.c
index 5835d80c23..45ba78dcf7 100644
--- a/range.c
+++ b/range.c
@@ -306,6 +306,9 @@ range_step(int argc, VALUE *argv, VALUE range)
     }
     else {
 	rb_scan_args(argc, argv, "01", &step);
+	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");
 	}