diff --git a/README.md b/README.md
index f84d787..6117d29 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Welcome to Kenzo
 
-![GPLv3 Logo](http://www.gnu.org/graphics/gplv3-127x51.png)
+[![GPLv3 Logo](http://www.gnu.org/graphics/gplv3-127x51.png)](http://www.gnu.org/licenses/gpl-3.0.en.html)
 
 According to the title of its
 [handbook](http://www-fourier.ujf-grenoble.fr/~sergerar/Kenzo/Kenzo-doc.pdf),
@@ -85,4 +85,4 @@ Running test suite KENZO
 Similarly, you'd load Kenzo via `(ql:quickload :kenzo)`.
 
 
-![GPLv3 Logo](http://www.gnu.org/graphics/gplv3-127x51.png)
+[![GPLv3 Logo](http://www.gnu.org/graphics/gplv3-127x51.png)](http://www.gnu.org/licenses/gpl-3.0.en.html)