Quoth Sebastian Tennant <sebyte at smolny.plus.com>: > 5. sbcl > > * (push #p"/usr/share/common-lisp/ql-quicklisp/installed-systems" > asdf:*central-registry*) This pathname is missing a trailing '/'. It should read: (push #p"/usr/share/common-lisp/ql-quicklisp/installed-systems/" asdf:*central-registry*) Sebastian