diff --git a/urlwatch.spec b/urlwatch.spec
index 12a631d..17817b6 100644
--- a/urlwatch.spec
+++ b/urlwatch.spec
@@ -32,6 +32,7 @@ Basic features
 
 %prep
 %setup -q
+2to3 -w urlwatch lib/urlwatch/*.py share/urlwatch/examples/hooks.py.example setup.py
 
 %build
 %{__python3} setup.py build