diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm
index fe4df042d7..7c5fe76fe0 100644
--- a/guix/scripts/pack.scm
+++ b/guix/scripts/pack.scm
@@ -493,7 +493,8 @@ (define (mksquashfs args)
                "-p" "/proc d 555 0 0"
                "-p" "/sys d 555 0 0"
                "-p" "/dev d 555 0 0"
-               "-p" "/home d 555 0 0"))
+               "-p" "/home d 555 0 0"
+               "-p" "/tmp d 555 0 0"))
 
             (when database
               ;; Initialize /var/guix.
diff --git a/tests/pack.scm b/tests/pack.scm
index 40897a5589..f8a9e09c28 100644
--- a/tests/pack.scm
+++ b/tests/pack.scm
@@ -328,6 +328,7 @@ (define bin
                            (when (and (file-exists? (string-append bin
                                                                    "/guile"))
                                       (file-exists? "var/guix/db/db.sqlite")
+                                      (file-is-directory? "tmp")
                                       (string=? (string-append #$%bootstrap-guile "/bin")
                                                 (pk 'binlink (readlink bin)))