diff --git a/debian/copyright b/debian/copyright
index 36bd5a2..85f41d1 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -42,7 +42,7 @@ licensed under the GPL.
     - PNG splash, splash/gnome-splash-curves.png.
 They are both based on the Debian “Open Use” (without “Debian” word) logo.
 
-The Joy theme is © 2012 Adrien Aubourg and released under the CC-BY-SA 3.0
+The Joy theme is © 2012 Adrien Aubourg and released under the GPLv2
 license.
 
 The Joy theme is based on the Debian “Open Use” (without “Debian” word)
@@ -53,20 +53,20 @@ Copyright © 2010 Aurélien COUDERC and Copyright © 2012 Jonathan Carter under
 the GPLv2+.
 
 The images used with the plymouth theme is Copyright © 2012 Adrien Aubourg under
-the CC-BY-SA 3.0 License.
+the GPLv2 License.
 
 The Joy GDM is © 2012 Paul Tagliamonte GPLv2, with work
 from all the previous authors of that file, and artwork from Adrien Aubourg under
-the CC-BY-SA 3.0 license.
+the GPLv2 license.
 
 The Joy KDM  theme is © 2012 Eshat Cakar and © 2010 Roman Shtylman GPLv2
-with artwork from Adrien Aubourg under the CC-BY-SA 3.0 license.
+with artwork from Adrien Aubourg under the GPLv2 license.
 
 The Joy KSplash theme is © 2012 Eshat Cakar, Nuno Pinheiro, Riccardo Iaconelli GPLv2
-with artwork from Adrien Aubourg under the CC-BY-SA 3.0 license.
+with artwork from Adrien Aubourg under the GPLv2 license.
 
 The Joy grub theme is © 2012 Paul Tagliamonte GPLv2, using artwork from Adrien
-Aubourg licensed under CC-BY-SA 3.0.
+Aubourg licensed under GPLv2 license.
 
 The SpaceFun theme is © 2010 Valessio S. Brito and released under the GPLv2.
 The Splashy theme is © 2010 Yves-Alexis Perez using artwork from Valessio