diff --git a/trello/attachments.py b/trello/attachments.py
index 6588313e..a3c3fa6b 100644
--- a/trello/attachments.py
+++ b/trello/attachments.py
@@ -9,7 +9,7 @@ class Attachments(TrelloBase):
     https://developers.trello.com/advanced-reference/card#get-1-cards-card-id-or-shortlink-attachments
     """
     def __init__(self, id, bytes, date, edge_color, idMember, is_upload, mime_type, name, previews, url):
-        super().__init__()
+        super(Attachments, self).__init__()
         self.id = id
         self.bytes = bytes
         self.date = dateparser.parse(date)
diff --git a/trello/board.py b/trello/board.py
index 392bb03c..191e0ae1 100644
--- a/trello/board.py
+++ b/trello/board.py
@@ -29,7 +29,7 @@ def __init__(self, client=None, board_id=None, organization=None, name=''):
 		:board_id: ID for this board
 
 		"""
-		super().__init__()
+		super(Board, self).__init__()
 		if organization is None:
 			self.client = client
 		else:
diff --git a/trello/card.py b/trello/card.py
index 7d9c9fe8..16c87ecc 100644
--- a/trello/card.py
+++ b/trello/card.py
@@ -121,7 +121,7 @@ def __init__(self, parent, card_id, name=''):
         :parent: reference to the parent trello list
         :card_id: ID for this card
         """
-        super().__init__()
+        super(Card, self).__init__()
         if isinstance(parent, List):
             self.trello_list = parent
             self.board = parent.board
diff --git a/trello/checklist.py b/trello/checklist.py
index 775d1d9e..215fa214 100644
--- a/trello/checklist.py
+++ b/trello/checklist.py
@@ -11,7 +11,7 @@ class Checklist(TrelloBase):
     """
 
     def __init__(self, client, checked, obj, trello_card=None):
-        super().__init__()
+        super(Checklist, self).__init__()
         self.client = client
         self.trello_card = trello_card
         self.id = obj['id']
diff --git a/trello/label.py b/trello/label.py
index 4e193a79..7e97d60c 100644
--- a/trello/label.py
+++ b/trello/label.py
@@ -10,7 +10,7 @@ class Label(TrelloBase):
     Class representing a Trello Label.
     """
     def __init__(self, client, label_id, name, color=""):
-        super().__init__()
+        super(Label, self).__init__()
         self.client = client
         self.id = label_id
         self.name = name
diff --git a/trello/member.py b/trello/member.py
index eddeb585..e384a75f 100644
--- a/trello/member.py
+++ b/trello/member.py
@@ -11,7 +11,7 @@ class Member(TrelloBase):
     """
 
     def __init__(self, client, member_id, full_name=''):
-        super().__init__()
+        super(Member, self).__init__()
         self.client = client
         self.id = member_id
         self.full_name = full_name
diff --git a/trello/organization.py b/trello/organization.py
index 980cae3a..5677236c 100644
--- a/trello/organization.py
+++ b/trello/organization.py
@@ -14,7 +14,7 @@ class Organization(TrelloBase):
     Class representing an organization
     """
     def __init__(self, client, organization_id, name=''):
-        super().__init__()
+        super(Organization, self).__init__()
         self.client = client
         self.id = organization_id
         self.name = name
diff --git a/trello/trellolist.py b/trello/trellolist.py
index 31667ee3..ea4f43c5 100644
--- a/trello/trellolist.py
+++ b/trello/trellolist.py
@@ -17,7 +17,7 @@ def __init__(self, board, list_id, name=''):
         :board: reference to the parent board
         :list_id: ID for this list
         """
-        super().__init__()
+        super(List, self).__init__()
         self.board = board
         self.client = board.client
         self.id = list_id