diff --git a/main.scm b/main.scm
index 5ee3e46..7d6b7db 100755
--- a/main.scm
+++ b/main.scm
@@ -413,7 +413,7 @@
      (if-let (readme-file
               (alist-ref 'readme_file template-alist))
              (source->sxml readme-file)
-             (filelist->sxml source-files-list "html"))
+             (filelist->sxml source-files-list ""))
      ;; TODO: do we need the full set of template variables defined here?
      ;; if so maybe this and the set above should be lifted out somewhere
      `((relative_root . "html/")))