diff --git a/guix/scripts/environment.scm b/guix/scripts/environment.scm
index 44cfcb4f76..33a76abff3 100644
--- a/guix/scripts/environment.scm
+++ b/guix/scripts/environment.scm
@@ -767,14 +767,17 @@ (define fhs-mappings
              (append
               (override-user-mappings
                user home
-               (append user-mappings
-                       ;; Share current working directory, unless asked not to.
-                       (if map-cwd?
-                           (list (file-system-mapping
-                                  (source cwd)
-                                  (target cwd)
-                                  (writable? #t)))
-                           '())))
+               (append
+                ;; Share current working directory, unless asked not to.
+                (if map-cwd?
+                    (list (file-system-mapping
+                           (source cwd)
+                           (target cwd)
+                           (writable? #t)))
+                    '())
+                ;; Add the user mappings *after* the current working directory
+                ;; so that a user can layer bind mounts on top of it.
+                user-mappings))
               ;; Mappings for the union closure of all inputs.
               (map (lambda (dir)
                      (file-system-mapping