diff --git a/mangopay/__init__.py b/mangopay/__init__.py
index f57037e..86453eb 100644
--- a/mangopay/__init__.py
+++ b/mangopay/__init__.py
@@ -9,7 +9,7 @@
 
 package_version = None
 try:
-    with open('../setup.py', 'r') as f:
+    with open('./setup.py', 'r') as f:
         for line in f:
             if line.startswith('    version'):
                 package_version = line.split('=')[1].replace("'", "").replace(",", "").replace("\n", "")