diff --git a/gnu/packages/xdisorg.scm b/gnu/packages/xdisorg.scm
index a64bacd4a4..22c8adc6fa 100644
--- a/gnu/packages/xdisorg.scm
+++ b/gnu/packages/xdisorg.scm
@@ -1235,7 +1235,7 @@ (define-public xscreensaver
                            "--without-readdisplay")
        #:make-flags (list (string-append "AD_DIR="
                                          (assoc-ref %outputs "out")
-                                         "/usr/lib/X11/app-defaults"))))
+                                         "/lib/X11/app-defaults"))))
     (native-inputs
      `(("pkg-config" ,pkg-config)
        ("intltool" ,intltool)))