diff --git a/gnu/packages/lout.scm b/gnu/packages/lout.scm
index 38b35c1d3d..57265a11c5 100644
--- a/gnu/packages/lout.scm
+++ b/gnu/packages/lout.scm
@@ -87,7 +87,7 @@
                "1gb8vb1wl7ikn269dd1c7ihqhkyrwk19jwx5kd0rdvbk6g7g25ix"))))
     (build-system gnu-build-system)               ; actually, just a makefile
     (outputs '("out" "doc"))
-    (inputs
+    (native-inputs
      `(("ghostscript" ,ghostscript-gs)))
     (arguments `(#:modules ((guix build utils)
                             (guix build gnu-build-system)