diff --git a/README.md b/README.md
index ed9cb72..795b437 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
+
 Usage:
 
+> use with python2 
+
 0. Install flex with
 ``` apt-get install flex```.
 Building without flex will fail and pollute the codebase.
diff --git a/ljpeg.py b/ljpeg.py
index 74ba9a7..44920f7 100755
--- a/ljpeg.py
+++ b/ljpeg.py
@@ -6,7 +6,9 @@
 import numpy
 import logging
 
-BIN = os.path.join(os.path.dirname(__file__), "jpegdir", "jpeg")
+BIN = os.path.abspath(
+    os.path.join(os.path.dirname(__file__), "jpegdir", "jpeg")
+)
 
 if not os.path.exists(BIN):
     print "jpeg is not built yet; use 'cd jpegdir; make' first"