diff --git a/posts.go b/posts.go
index 259d960..9f56969 100644
--- a/posts.go
+++ b/posts.go
@@ -252,9 +252,9 @@ func serveIndex(ic *indexConfig) func(w http.ResponseWriter, r *http.Request) {
 				"Posts":           posts,
 				"HasPrev":         hasPrev,
 				"HasNext":         hasNext,
-				"First":           appConfig.Server.PublicAddress + path,
-				"Prev":            appConfig.Server.PublicAddress + prevPath,
-				"Next":            appConfig.Server.PublicAddress + nextPath,
+				"First":           slashIfEmpty(path),
+				"Prev":            slashIfEmpty(prevPath),
+				"Next":            slashIfEmpty(nextPath),
 				"SummaryTemplate": summaryTemplate,
 			},
 		})
diff --git a/utils.go b/utils.go
index 4848e13..c323844 100644
--- a/utils.go
+++ b/utils.go
@@ -100,3 +100,10 @@ func resolveURLReferences(base string, refs ...string) ([]string, error) {
 	}
 	return urls, nil
 }
+
+func slashIfEmpty(s string) string {
+	if s == "" {
+		return "/"
+	}
+	return s
+}