diff --git a/gnu/packages/xfce.scm b/gnu/packages/xfce.scm
index c2f4392f76..43722cf484 100644
--- a/gnu/packages/xfce.scm
+++ b/gnu/packages/xfce.scm
@@ -1375,6 +1375,7 @@ (define-public xfce
            xfce4-notifyd                          ;for pop-up notifications
            xfce4-panel
            xfce4-power-manager
+           xfce4-screensaver
            xfce4-screenshooter
            xfce4-session
            xfce4-settings
diff --git a/gnu/services/desktop.scm b/gnu/services/desktop.scm
index fa1a516768..2e9fa1be7d 100644
--- a/gnu/services/desktop.scm
+++ b/gnu/services/desktop.scm
@@ -1660,12 +1660,17 @@ (define (xfce-polkit-settings config)
          '("thunar"
            "xfce4-power-manager"))))
 
+(define (xfce-pam-services config)
+  (list (unix-pam-service "xfce4-screensaver")))
+
 (define xfce-desktop-service-type
   (service-type
    (name 'xfce-desktop)
    (extensions
     (list (service-extension polkit-service-type
                              xfce-polkit-settings)
+          (service-extension pam-root-service-type
+                             xfce-pam-services)
           (service-extension profile-service-type
                              (compose list xfce-package))))
    (default-value (xfce-desktop-configuration))