diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index f6f1923121..e524729baf 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -289,11 +289,21 @@ (define (uvesafb-shepherd-service _)
          (provision '(maybe-uvesafb))
          (requirement '(file-systems))
          (start #~(lambda ()
-                    (or (file-exists? "/dev/fb0")
+                    (unless (file-exists? "/dev/fb0")
+                      ;; In shepherd 0.9.3, 'system*' is implemented in terms
+                      ;; of 'fork+exec-command'.  Thus, set
+                      ;; 'default-environment-variables' to pass an extra
+                      ;; variable to the child process.
+                      (parameterize ((default-environment-variables
+                                       `("LINUX_MODULE_DIRECTORY=/run/booted-system/kernel/lib/modules"
+                                         ,(environ))))
+                        ;; TODO: Use 'load-linux-modules-from-directory'
+                        ;; instead.
                         (invoke #+(file-append kmod "/bin/modprobe")
                                 "uvesafb"
                                 (string-append "v86d=" #$v86d "/sbin/v86d")
-                                "mode_option=1024x768"))))
+                                "mode_option=1024x768"))
+                      #t)))
          (respawn? #f)
          (one-shot? #t))))