diff --git a/oletools/olebrowse.py b/oletools/olebrowse.py
index ed387d1..ccfb0a9 100644
--- a/oletools/olebrowse.py
+++ b/oletools/olebrowse.py
@@ -12,7 +12,7 @@ olebrowse project website: http://www.decalage.info/python/olebrowse
 olebrowse is part of the python-oletools package:
 http://www.decalage.info/python/oletools
 
-olebrowse is copyright (c) 2012-2015, Philippe Lagadec (http://www.decalage.info)
+olebrowse is copyright (c) 2012-2017, Philippe Lagadec (http://www.decalage.info)
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,
@@ -36,12 +36,13 @@ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 """
 
-__version__ = '0.02'
-
 #------------------------------------------------------------------------------
 # CHANGELOG:
 # 2012-09-17 v0.01 PL: - first version
 # 2014-11-29 v0.02 PL: - use olefile instead of OleFileIO_PL
+# 2017-04-26 v0.51 PL: - fixed absolute imports (issue #141)
+
+__version__ = '0.51'
 
 #------------------------------------------------------------------------------
 # TODO:
@@ -51,10 +52,25 @@ __version__ = '0.02'
 # - for a stream, display info: size, path, etc
 # - stream info: magic, entropy, ... ?
 
+# === IMPORTS ================================================================
+
 import optparse, sys, os
-from .thirdparty.easygui import easygui
-from .thirdparty import olefile
-from . import ezhexviewer
+
+# IMPORTANT: it should be possible to run oletools directly as scripts
+# in any directory without installing them with pip or setup.py.
+# In that case, relative imports are NOT usable.
+# And to enable Python 2+3 compatibility, we need to use absolute imports,
+# so we add the oletools parent folder to sys.path (absolute+normalized path):
+_thismodule_dir = os.path.normpath(os.path.abspath(os.path.dirname(__file__)))
+# print('_thismodule_dir = %r' % _thismodule_dir)
+_parent_dir = os.path.normpath(os.path.join(_thismodule_dir, '..'))
+# print('_parent_dir = %r' % _thirdparty_dir)
+if not _parent_dir in sys.path:
+    sys.path.insert(0, _parent_dir)
+
+from oletools.thirdparty.easygui import easygui
+from oletools.thirdparty import olefile
+from oletools import ezhexviewer
 
 ABOUT = '~ About olebrowse'
 QUIT  = '~ Quit'