diff --git a/books.md b/books.md
index 8cf2bd1..9d207df 100644
--- a/books.md
+++ b/books.md
@@ -39,4 +39,4 @@
 * [The Boost C++ libraries](http://en.highscore.de/cpp/boost)
 * [The Rook's Guide to C++](http://rooksguide.org/2013/11/26/version-1-0-is-out/) (PDF)
 * [Thinking in C++, Second Edition, Vol. 1.](http://www.mindviewinc.com/downloads/TICPP-2nd-ed-Vol-one.zip) [(Vol. 2)](http://www.mindviewinc.com/downloads/TICPP-2nd-ed-Vol-two.zip) - Bruce Eckel
-* Also see: [The Definitive C++ Book Guide and List](http://stackoverflow.com/q/388242/511601)
+* Also see: [The Definitive C++ Book Guide and List](https://stackoverflow.com/a/388282)