diff --git a/emacs/guix-backend.el b/emacs/guix-backend.el
index e7c158bef4..82383e48ff 100644
--- a/emacs/guix-backend.el
+++ b/emacs/guix-backend.el
@@ -202,7 +202,7 @@ this address (it should be defined by
   ;; A mix of the code from `geiser-repl--start-repl' and
   ;; `geiser-repl--to-repl-buffer'.
   (let ((impl 'guile)
-        (geiser-guile-load-path (cons guix-load-path
+        (geiser-guile-load-path (cons (expand-file-name guix-load-path)
                                       geiser-guile-load-path))
         (geiser-repl-startup-time guix-repl-startup-time))
     (with-current-buffer buffer