-<!ENTITY sourceslist-list-format "deb http://httpredir.debian.org/debian &stable-codename; main contrib non-free
-deb http://security.debian.org &stable-codename;/updates main contrib non-free">
+<!ENTITY sourceslist-list-format "deb http://httpredir.debian.org/debian &debian-stable-codename; main contrib non-free
+deb http://security.debian.org &debian-stable-codename;/updates main contrib non-free">