diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm
index 7c9146362f..f3c2dbf672 100644
--- a/gnu/services/configuration.scm
+++ b/gnu/services/configuration.scm
@@ -226,5 +226,5 @@ (define (configuration->documentation configuration-symbol)
   (let ((fields-getter (module-ref (current-module)
                                    (symbol-append configuration-symbol
                                                   '-fields))))
-    (format #t (generate-documentation `((,configuration-symbol ,fields-getter))
-                                       configuration-symbol))))
+    (display (generate-documentation `((,configuration-symbol ,fields-getter))
+                                     configuration-symbol))))