diff --git a/wsme/tests/test_api.py b/wsme/tests/test_api.py
index 008a928..db85c51 100644
--- a/wsme/tests/test_api.py
+++ b/wsme/tests/test_api.py
@@ -80,7 +80,7 @@ class TestController(unittest.TestCase):
         self.assertTrue(
             res.json_body['faultstring'].startswith(
                 "Invalid input for field/attribute number. Value: 'arf'. \
-Invalid value (should be one of:"))
+Value should be one of:"))
         self.assertIn('v1', res.json_body['faultstring'])
         self.assertIn('v2', res.json_body['faultstring'])
         self.assertIn('None', res.json_body['faultstring'])
@@ -104,7 +104,7 @@ Invalid value (should be one of:"))
         self.assertTrue(
             res.json_body['faultstring'].startswith(
                 "Invalid input for field/attribute number. Value: '1'. \
-Invalid value (should be one of:"))
+Value should be one of:"))
         self.assertIn('v1', res.json_body['faultstring'])
         self.assertIn('v2', res.json_body['faultstring'])
         self.assertIn('None', res.json_body['faultstring'])
diff --git a/wsme/tests/test_types.py b/wsme/tests/test_types.py
index 93c20fe..e40bd7d 100644
--- a/wsme/tests/test_types.py
+++ b/wsme/tests/test_types.py
@@ -182,7 +182,7 @@ class TestTypes(unittest.TestCase):
 
         self.assertRaisesRegexp(exc.InvalidInput,
                                 "Invalid input for field/attribute a. \
-Value: 'v3'. Invalid value \(should be one of: v., v.\)",
+Value: 'v3'. Value should be one of: v., v.",
                                 setattr,
                                 obj,
                                 'a',
diff --git a/wsme/types.py b/wsme/types.py
index 18b032f..991450b 100644
--- a/wsme/types.py
+++ b/wsme/types.py
@@ -161,7 +161,7 @@ class Enum(UserType):
 
     def validate(self, value):
         if value not in self.values:
-            raise ValueError("Invalid value (should be one of: %s)" %
+            raise ValueError("Value should be one of: %s" %
                              ', '.join(map(six.text_type, self.values)))
         return value