diff --git a/django/newforms/widgets.py b/django/newforms/widgets.py
index df8bb19c4f..4e4fc0c80b 100644
--- a/django/newforms/widgets.py
+++ b/django/newforms/widgets.py
@@ -172,14 +172,15 @@ class RadioInput(StrAndUnicode):
     def __init__(self, name, value, attrs, choice, index):
         self.name, self.value = name, value
         self.attrs = attrs
-        self.choice_value, self.choice_label = choice
+        self.choice_value = smart_unicode(choice[0])
+        self.choice_label = smart_unicode(choice[1])
         self.index = index
 
     def __unicode__(self):
         return u'<label>%s %s</label>' % (self.tag(), self.choice_label)
 
     def is_checked(self):
-        return self.value == smart_unicode(self.choice_value)
+        return self.value == self.choice_value
 
     def tag(self):
         if self.attrs.has_key('id'):
diff --git a/tests/regressiontests/forms/tests.py b/tests/regressiontests/forms/tests.py
index ad77d5795e..d185f1ceb8 100644
--- a/tests/regressiontests/forms/tests.py
+++ b/tests/regressiontests/forms/tests.py
@@ -527,12 +527,16 @@ True
 >>> r[1].is_checked()
 False
 >>> r[1].name, r[1].value, r[1].choice_value, r[1].choice_label
-('beatle', u'J', 'P', 'Paul')
+('beatle', u'J', u'P', u'Paul')
 >>> r[10]
 Traceback (most recent call last):
 ...
 IndexError: list index out of range
 
+>>> w = RadioSelect()
+>>> unicode(w.render('email', 'ŠĐĆŽćžšđ', choices=[('ŠĐĆŽćžšđ', 'ŠĐabcĆŽćžšđ'), ('ćžšđ', 'abcćžšđ')]))
+u'<ul>\n<li><label><input checked="checked" type="radio" name="email" value="\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111" /> \u0160\u0110abc\u0106\u017d\u0107\u017e\u0161\u0111</label></li>\n<li><label><input type="radio" name="email" value="\u0107\u017e\u0161\u0111" /> abc\u0107\u017e\u0161\u0111</label></li>\n</ul>'
+
 # CheckboxSelectMultiple Widget ###############################################
 
 >>> w = CheckboxSelectMultiple()