diff --git a/graphenebase/types.py b/graphenebase/types.py
index 14e69f60..d3256e24 100644
--- a/graphenebase/types.py
+++ b/graphenebase/types.py
@@ -233,7 +233,7 @@ def __init__(self, d):
         super().__init__(d)
 
     def __str__(self):
-        return True if self.data else False
+        return json.dumps(True) if self.data else json.dumps(False)
 
 
 class Set(Array):  # Set = Array
@@ -382,9 +382,9 @@ def __init__(self, selection):
             "Options are %s. Given '%s'" % (
                 self.options, selection)
         if selection in self.options:
-            super(Enum, self).__init__(self.options.index(selection))
+            super(Enum8, self).__init__(self.options.index(selection))
         else:
-            super(Enum, self).__init__(selection)
+            super(Enum8, self).__init__(selection)
 
     def __str__(self):
         return str(self.options[self.data])
diff --git a/setup.py b/setup.py
index 3a4ff6d7..3bde66d5 100755
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
     ascii = codecs.lookup('ascii')
     codecs.register(lambda name, enc=ascii: {True: enc}.get(name == 'mbcs'))
 
-VERSION = '0.5.3'
+VERSION = '0.5.4'
 
 setup(
     name='graphenelib',