diff --git a/pyModeS/__init__.py b/pyModeS/__init__.py
index e69de29..6dd5946 100644
--- a/pyModeS/__init__.py
+++ b/pyModeS/__init__.py
@@ -0,0 +1,3 @@
+from __future__ import absolute_import, print_function, division
+
+from .util import *
\ No newline at end of file
diff --git a/pyModeS/adsb.py b/pyModeS/adsb.py
index 85cfa89..a7e9d63 100644
--- a/pyModeS/adsb.py
+++ b/pyModeS/adsb.py
@@ -18,7 +18,7 @@ A python package for decoding ABS-D messages.
 """
 
 import math
-from pyModeS import util
+from . import util
 
 
 def df(msg):
diff --git a/pyModeS/ehs.py b/pyModeS/ehs.py
index d6c1368..f1d3229 100644
--- a/pyModeS/ehs.py
+++ b/pyModeS/ehs.py
@@ -17,8 +17,8 @@
 A python package for decoding ModeS (DF20, DF21) messages.
 """
 
-from pyModeS import util
-from pyModeS.util import crc
+from . import util
+from .util import crc
 
 
 def df(msg):