Hello Guix, Is it a bug or am I missing something? I want to make a (geiser-mode-switch-to-repl-and-enter) in (gnu services networking) module. (gnu services networking) uses (gnu services base) module (define-module (gnu services networking) ;; … #:use-module (gnu services base) ;; … ) (gnu services base) uses (gnu services networking) module (define-module (gnu services base) ;; … #:use-module (gnu services networking) ;; … )) So, to avoid following error I need to manually call (use-modules (gnu services base)) before switching to (gnu services networking) module in the REPL. gnu/services/base.scm:1889:8: gnu/services/base.scm:1889:8: Unbound variable: static-networking-service-type