diff --git a/pydump.py b/pydump.py
index 98d8eaf..68ea495 100644
--- a/pydump.py
+++ b/pydump.py
@@ -79,7 +79,7 @@ def __repr__(self):
 
 class FakeCode(object):
     def __init__(self, code):
-        self.co_filename = code.co_filename
+        self.co_filename = os.path.abspath(code.co_filename)
         self.co_name = code.co_name
         self.co_argcount = code.co_argcount
         self.co_consts = tuple(