diff --git a/nd2reader/__init__.py b/nd2reader/__init__.py
index 2d8af1a..50189af 100644
--- a/nd2reader/__init__.py
+++ b/nd2reader/__init__.py
@@ -1,4 +1,4 @@
 from nd2reader.reader import ND2Reader
 from nd2reader.legacy import Nd2
 
-__version__ = '2.1.3'
+__version__ = '3.0.0'
diff --git a/nd2reader/reader.py b/nd2reader/reader.py
index a898e28..663d389 100644
--- a/nd2reader/reader.py
+++ b/nd2reader/reader.py
@@ -9,6 +9,7 @@ class ND2Reader(FramesSequenceND):
     """
 
     def __init__(self, filename):
+        super(self.__class__, self).__init__()
         self.filename = filename
 
         # first use the parser to parse the file
diff --git a/setup.py b/setup.py
index df332a9..af9b7dc 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 from setuptools import setup
 
-VERSION = '2.1.3'
+VERSION = '3.0.0'
 
 if __name__ == '__main__':
     setup(