diff --git a/doc/build.scm b/doc/build.scm
index def4bdf18ac4c933586a7e27a0c06aa87fa1c296..7256fb9bb50973af10f7d1749e373092d426d8c4 100644
--- a/doc/build.scm
+++ b/doc/build.scm
@@ -141,7 +141,7 @@ (define (make-version-texi language)
                             (date->string date "~B ~Y")
                             version version))))))
 
-          (install-file #$(file-append* documentation "/htmlxref.cnf")
+          (install-file #$(file-append documentation "/htmlxref.cnf")
                         #$output)
 
           (for-each (lambda (texi)