diff --git a/pisi/purl.py b/pisi/purl.py
index 64727474..53fb324f 100644
--- a/pisi/purl.py
+++ b/pisi/purl.py
@@ -91,4 +91,4 @@ class URI(object):
     def __str__(self):
         return self.get_uri()
 
-    uri = property(getUri, setUri)
+    uri = property(get_uri, set_uri)