diff --git a/avocado/utils/data_structures.py b/avocado/utils/data_structures.py
index 2e5e737265fc11dcb10afb435338cd65a00cc5c8..bff729574d6da9c1b131154e9949b30b90c439fd 100644
--- a/avocado/utils/data_structures.py
+++ b/avocado/utils/data_structures.py
@@ -297,8 +297,8 @@ class DataSize(object):
         """
         if attr not in self.MULTIPLIERS:
             raise AttributeError('Attribute %s does not exist.' % attr)
-        return (self.value * self.MULTIPLIERS[self.unit] /
-                self.MULTIPLIERS[attr])
+        return int(self.value * self.MULTIPLIERS[self.unit] /
+                   self.MULTIPLIERS[attr])
 
     def __dir__(self):
         """
diff --git a/selftests/unit/test_data_structures.py b/selftests/unit/test_data_structures.py
index d39767641d9e31f4bbf7a1efe08822e9eb1dd99b..76c32e77905074b85c64078d9e724259bb388daa 100644
--- a/selftests/unit/test_data_structures.py
+++ b/selftests/unit/test_data_structures.py
@@ -105,9 +105,11 @@ class TestDataSize(unittest.TestCase):
         self.assertRaises(data_structures.InvalidDataSize,
                           data_structures.DataSize, '10Mb')
 
+    def test_value_and_type(self):
+        self.assertIs(data_structures.DataSize('0b').b, 0)
+        self.assertIs(data_structures.DataSize('0t').b, 0)
+
     def test_values(self):
-        self.assertEqual(data_structures.DataSize('0b').b, 0)
-        self.assertEqual(data_structures.DataSize('0t').b, 0)
         self.assertEqual(data_structures.DataSize('10m').b, 10485760)
         self.assertEqual(data_structures.DataSize('10M').b, 10485760)