diff --git a/free-programming-books-pl.md b/free-programming-books-pl.md
index aa0ade47..8d6c2d0a 100644
--- a/free-programming-books-pl.md
+++ b/free-programming-books-pl.md
@@ -26,6 +26,7 @@
 
 * [Kurs C++](http://cpp0x.pl/kursy/Kurs-C++/1)
 * [Zaawansowane C++](http://wazniak.mimuw.edu.pl/index.php?title=Zaawansowane_CPP)
+* [OpenGL w C++](http://cpp0x.pl/kursy/Kurs-OpenGL-C++/)
 
 ###Common Lisp