diff --git a/examples/add_file_object.py b/examples/add_file_object.py
index e61d809..aa8ab8e 100755
--- a/examples/add_file_object.py
+++ b/examples/add_file_object.py
@@ -24,17 +24,17 @@ if __name__ == '__main__':
 
         if seos:
             for s in seos:
-                template_id = pymisp.get_object_template_id(s['name'])
+                template_id = pymisp.get_object_template_id(s.template_uuid)
                 r = pymisp.add_object(args.event, template_id, s)
 
         if peo:
-            template_id = pymisp.get_object_template_id(peo['name'])
+            template_id = pymisp.get_object_template_id(peo.template_uuid)
             r = pymisp.add_object(args.event, template_id, peo)
             for ref in peo.references:
                 r = pymisp.add_object_reference(ref)
 
         if fo:
-            template_id = pymisp.get_object_template_id(fo['name'])
+            template_id = pymisp.get_object_template_id(fo.template_uuid)
             response = pymisp.add_object(args.event, template_id, fo)
             for ref in fo.references:
                 r = pymisp.add_object_reference(ref)
diff --git a/pymisp/api.py b/pymisp/api.py
index 4638726..8d7856e 100644
--- a/pymisp/api.py
+++ b/pymisp/api.py
@@ -1600,12 +1600,12 @@ class PyMISP(object):
         response = session.get(url)
         return self._check_response(response)['response']
 
-    def get_object_template_id(self, object_name):
+    def get_object_template_id(self, object_uuid):
         templates = self.get_object_templates_list()
         for t in templates:
-            if t['ObjectTemplate']['name'] == object_name:
+            if t['ObjectTemplate']['uuid'] == object_uuid:
                 return t['ObjectTemplate']['id']
-        raise Exception('Unable to find template name {} on the MISP instance'.format(object_name))
+        raise Exception('Unable to find template uuid {} on the MISP instance'.format(object_uuid))
 
     # ###########################
     # ####### Deprecated ########
diff --git a/pymisp/tools/fileobject.py b/pymisp/tools/fileobject.py
index 770307c..ebea362 100644
--- a/pymisp/tools/fileobject.py
+++ b/pymisp/tools/fileobject.py
@@ -41,7 +41,9 @@ class FileObject(MISPObjectGenerator):
             self.filename = filename
         else:
             raise Exception('File buffer (BytesIO) or a path is required.')
-        MISPObjectGenerator.__init__(self, 'file')
+        # PY3 way:
+        # super().__init__('file')
+        super(FileObject, self).__init__('file')
         self.data = self.pseudofile.getvalue()
         self.generate_attributes()
 
diff --git a/pymisp/tools/objectgenerator.py b/pymisp/tools/objectgenerator.py
index 1617580..d4b5105 100644
--- a/pymisp/tools/objectgenerator.py
+++ b/pymisp/tools/objectgenerator.py
@@ -83,13 +83,13 @@ class MISPObjectGenerator(AbstractMISP):
             'data', 'misp-objects', 'objects')
         with open(os.path.join(self.misp_objects_path, template_dir, 'definition.json'), 'r') as f:
             self.definition = json.load(f)
-        self.object_attributes = self.definition['attributes'].keys()
         self.misp_event = MISPEvent()
         self.name = self.definition['name']
         setattr(self, 'meta-category', self.definition['meta-category'])
-        self.uuid = str(uuid.uuid4())
+        self.template_uuid = self.definition['uuid']
         self.description = self.definition['description']
         self.version = self.definition['version']
+        self.uuid = str(uuid.uuid4())
         self.Attribute = []
         self.references = []
 
@@ -121,7 +121,7 @@ class MISPObjectGenerator(AbstractMISP):
         if self.definition.get('required'):
             for r in self.definition.get('required'):
                 if r not in all_attribute_names:
-                    raise InvalidMISPObject('{} is required is required'.format(r))
+                    raise InvalidMISPObject('{} is required'.format(r))
         return True
 
     def add_reference(self, destination_uuid, relationship_type, comment=None):
diff --git a/pymisp/tools/peobject.py b/pymisp/tools/peobject.py
index e7dc206..bea117a 100644
--- a/pymisp/tools/peobject.py
+++ b/pymisp/tools/peobject.py
@@ -43,7 +43,9 @@ class PEObject(MISPObjectGenerator):
                 self.pe = parsed
             else:
                 raise Exception('Not a lief.PE.Binary: {}'.format(type(parsed)))
-        MISPObjectGenerator.__init__(self, 'pe')
+        # Python3 way
+        # super().__init__('pe')
+        super(PEObject, self).__init__('pe')
         self.generate_attributes()
 
     def _is_exe(self):
@@ -114,7 +116,9 @@ class PEObject(MISPObjectGenerator):
 class PESectionObject(MISPObjectGenerator):
 
     def __init__(self, section):
-        MISPObjectGenerator.__init__(self, 'pe-section')
+        # Python3 way
+        # super().__init__('pe-section')
+        super(PESectionObject, self).__init__('pe-section')
         self.section = section
         self.data = bytes(self.section.content)
         self.generate_attributes()