diff --git a/ChangeLog b/ChangeLog
index b9537b2495..dae99d7546 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Feb  5 10:31:46 2015  Shugo Maeda  <shugo@ruby-lang.org>
+
+	* class.c (rb_obj_singleton_methods): should use RTEST() to convert
+	  VALUE to int.
+
 Thu Feb  5 03:59:33 2015  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
 
 	* vm_insnhelper.c: Fix symbol leak with +send+ [Bug #10828]
diff --git a/class.c b/class.c
index c5d7ee2715..720df68c64 100644
--- a/class.c
+++ b/class.c
@@ -1411,7 +1411,7 @@ rb_obj_singleton_methods(int argc, const VALUE *argv, VALUE obj)
     klass = CLASS_OF(obj);
     origin = RCLASS_ORIGIN(klass);
     me_arg.list = st_init_numtable();
-    me_arg.recur = recur;
+    me_arg.recur = RTEST(recur);
     if (klass && FL_TEST(klass, FL_SINGLETON)) {
 	if ((mtbl = RCLASS_M_TBL(origin)) != 0)
 	    st_foreach(mtbl, method_entry_i, (st_data_t)&me_arg);