diff --git a/virtual_machines/README.md b/virtual_machines/README.md
index e340f3e..2055f24 100644
--- a/virtual_machines/README.md
+++ b/virtual_machines/README.md
@@ -3,7 +3,7 @@
 * [One VM to Rule Them All](http://lafo.ssw.uni-linz.ac.at/papers/2013_Onward_OneVMToRuleThemAll.pdf)
     - This is an exciting VM implementation that incorporates AST node rewriting and an optimizing compiler. It enables the implementation of, and excellent performance for, a wide range of languages.
 * [A Comparison of Software and Hardware Techniques for x86
-  Virtualization](http://www.vmware.com/pdf/asplos235_adams.pdf)
+  Virtualization](https://web.archive.org/web/20160108225910/http://www.vmware.com/pdf/asplos235_adams.pdf)
     - virtualization theory background
 
 ## System Virtualization