diff --git a/pep-0659.rst b/pep-0659.rst
index 74728a69a..06abec878 100644
--- a/pep-0659.rst
+++ b/pep-0659.rst
@@ -284,7 +284,7 @@ References
   https://www.scss.tcd.ie/publications/tech-reports/reports.09/TCD-CS-2009-37.pdf
 
 .. [3] Inline Caching meets Quickening
-  http://www.complang.tuwien.ac.at/kps09/pdfs/brunthaler.pdf
+  https://www.unibw.de/ucsrl/pubs/ecoop10.pdf/view
 
 .. [4] Adaptive specializing examples (This will be moved to a more permanent location, once this PEP is accepted)
   https://gist.github.com/markshannon/556ccc0e99517c25a70e2fe551917c03