diff --git a/gnu/system/hurd.scm b/gnu/system/hurd.scm
index 8e95d0a16c..4bc32d9bd1 100644
--- a/gnu/system/hurd.scm
+++ b/gnu/system/hurd.scm
@@ -119,7 +119,7 @@ (define %hurd-default-operating-system
                  (bootloader grub-minimal-bootloader)
                  (targets '("/dev/vda"))))
     (initrd #f)
-    (initrd-modules (lambda _ '()))
+    (initrd-modules '())
     (firmware '())
     (host-name "guixygnu")
     (file-systems '())