diff --git a/main.scm b/main.scm
index b6d5b44..f1d2161 100755
--- a/main.scm
+++ b/main.scm
@@ -124,13 +124,13 @@
          (h2 ,repository-name)
          (p "clone url:" ,CLONE-URL "/" ,repository-name)
          (nav
-          ,(when readme-file
-             `(a (@ href ,relative-root "index.html") "about"))
+          ,(if readme-file
+             `(a (@ href ,relative-root "index.html") "about") "")
           (a (@ href ,relative-root "files.html") "files")
-          ,(when license-file
-             `(a (@ href ,relative-root ,license-file ".html") "license"))
-          ,(when issues-present?
-             `(a (@ href ,relative-root "ISSUES.html") "issues"))
+          ,(if license-file
+             `(a (@ href ,relative-root ,license-file ".html") "license") "")
+          ,(if issues-present?
+             `(a (@ href ,relative-root "ISSUES.html") "issues") "")
           (a (@ href ,relative-root "commits.html") "commits")
           (a (@ href ,relative-root "contributors.html") "contributors")))
         (hr)