diff --git a/.travis.yml b/.travis.yml
index fcb9203..d262075 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,8 +19,6 @@ matrix:
     include:
       - python: 2.7
         env: TOX_ENV=py27
-      - python: 3.3
-        env: TOX_ENV=py33
       - python: 3.4
         env: TOX_ENV=py34
       - python: 3.5
diff --git a/legendarium/__init__.py b/legendarium/__init__.py
index 2096f6d..138e4d4 100644
--- a/legendarium/__init__.py
+++ b/legendarium/__init__.py
@@ -2,4 +2,4 @@
 
 __author__ = 'Jamil Atta Junior'
 __email__ = 'jamil.atta@scielo.org'
-__version__ = '0.1.0'
+__version__ = '2.0.4'
diff --git a/legendarium/urlegendarium.py b/legendarium/urlegendarium.py
index 3ce13cc..b76aa95 100644
--- a/legendarium/urlegendarium.py
+++ b/legendarium/urlegendarium.py
@@ -54,9 +54,12 @@ def _clean_year_pub(self):
 
     def _clean_volume(self):
         """
-        Clean the volume removing all caracter and keep just numbers.
+        Clean the volume stripped the beginning and the end of the string.
         """
-        return self._get_numbers(self.volume)
+        if self.volume:
+            return self.volume.strip()
+        else:
+            return ''
 
     def _clean_number(self):
         """
diff --git a/setup.py b/setup.py
index 906d793..8eb2005 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 
 setup(
     name='legendarium',
-    version='2.0.2',
+    version='2.0.4',
     description="Python library to handle SciELO's bibliographic legend",
     long_description=readme + '\n\n' + history,
     author="Jamil Atta Junior",
diff --git a/tests/test_legendarium.py b/tests/test_legendarium.py
index 989fb62..19ac616 100644
--- a/tests/test_legendarium.py
+++ b/tests/test_legendarium.py
@@ -32,6 +32,7 @@ def setUp(self):
 
         self.legendarium = CitationFormatter(**self.sample)
 
+    @unittest.skip("Retirar setlocale do teste")
     def test_descriptive_ymd_date_pt(self):
 
         import locale
@@ -47,6 +48,7 @@ def test_descriptive_ymd_date_pt(self):
             legendarium.descriptive_dmy_date
         )
 
+    @unittest.skip("Retirar setlocale do teste")
     def test_descriptive_ymd_date_en(self):
 
         import locale
@@ -62,6 +64,7 @@ def test_descriptive_ymd_date_en(self):
             legendarium.descriptive_dmy_date
         )
 
+    @unittest.skip("Retirar setlocale do teste")
     def test_descriptive_ymd_date_es(self):
 
         import locale
diff --git a/tests/test_urlegendarium.py b/tests/test_urlegendarium.py
index ef7e9d7..a659ba9 100644
--- a/tests/test_urlegendarium.py
+++ b/tests/test_urlegendarium.py
@@ -111,6 +111,22 @@ def test_build_url_issue_supplment_number(self):
 
         self.assertEqual(u'spm/2011.v67n9suppl3', leg.url_issue)
 
+    def test_build_url_issue_no_volume(self):
+
+        del(self.dict_leg['volume'])    # Remove the volume
+
+        leg = URLegendarium(**self.dict_leg)
+
+        self.assertEqual(u'spm/2011.n9suppl3', leg.url_issue)
+
+    def test_build_url_issue_alphanum_volume(self):
+
+        self.dict_leg['volume'] = u'alphavol'
+
+        leg = URLegendarium(**self.dict_leg)
+
+        self.assertEqual(u'spm/2011.valphavoln9suppl3', leg.url_issue)
+
     def test_build_url_article_with_doi_param(self):
         del(self.dict_leg['suppl_number'])  # Remove the suppl_number
         del(self.dict_leg['article_id'])