diff --git a/mathml2latex.py b/mathml2latex.py
index 3b71c32..bff8f73 100755
--- a/mathml2latex.py
+++ b/mathml2latex.py
@@ -5,7 +5,7 @@
 import os
 import sys
 from lxml import etree
-from unicode_map import unicode_map
+from .unicode_map import unicode_map
 
 # MathML to LaTeX conversion with XSLT from Vasil Yaroshevich
 base_path = os.path.dirname(os.path.realpath(__file__))