diff --git a/gnu/tests/install.scm b/gnu/tests/install.scm
index 8650474fbc..019e21fd39 100644
--- a/gnu/tests/install.scm
+++ b/gnu/tests/install.scm
@@ -387,6 +387,7 @@ (define-os-with-source (%minimal-os-on-vda %minimal-os-on-vda-source)
     (services (cons (service marionette-service-type
                              (marionette-configuration
                               (imported-modules '((gnu services herd)
+                                                  (guix build utils)
                                                   (guix combinators)))))
                     %base-services))))
 
@@ -1058,7 +1059,7 @@ (define installation-os-for-gui-tests
 (define* (installation-target-os-for-gui-tests
           #:key (encrypted? #f))
   (operating-system
-    (inherit %minimal-os)
+    (inherit %minimal-os-on-vda)
     (users (append (list (user-account
                           (name "alice")
                           (comment "Bob's sister")
@@ -1076,7 +1077,7 @@ (define* (installation-target-os-for-gui-tests
     ;; encryption support.
     (swap-devices (if encrypted? '() '("/dev/vda2")))
     (services (cons (service dhcp-client-service-type)
-                    (operating-system-user-services %minimal-os)))))
+                    (operating-system-user-services %minimal-os-on-vda)))))
 
 (define* (installation-target-desktop-os-for-gui-tests
           #:key (encrypted? #f))